/*! DatePicker v6.3.6 MIT/GPL2 @freqdec */
var datePickerController = (function datePickerController() {

    "use strict";

    var debug               = false,
        isOpera             = Object.prototype.toString.call(window.opera) === "[object Opera]",
        describedBy         = "",
        languageInfo        = parseUILanguage(),
        nbsp                = String.fromCharCode(160),
        datePickers         = {},
        weeksInYearCache    = {},
        bespokeTitles       = {},
        uniqueId            = 0,
        finalOpacity        = 100,
        cssAnimations       = null,
        transitionEnd       = "",
        buttonTabIndex      = true,
        mouseWheel          = true,
        deriveLocale        = true,
        localeImport        = false,
        nodrag              = false,
        langFileFolder      = false,
        returnLocaleDate    = false,
        kbEvent             = false,
        dateParseFallback   = true,
        cellFormat          = "%d %F %Y",
        titleFormat         = "%F %d, %Y",
        statusFormat        = "",
        formatParts         = isOpera ? ["%j"] : ["%j", " %F %Y"],
        dPartsRegExp        = /%([d|j])/,
        mPartsRegExp        = /%([M|F|m|n])/,
        yPartsRegExp        = /%[y|Y]/,
        noSelectionRegExp   = /date-picker-unused|out-of-range|day-disabled|not-selectable/,
        formatTestRegExp    = /%([d|j|M|F|m|n|Y|y])/,
        formatSplitRegExp   = /%([d|D|l|j|N|w|S|W|M|F|m|n|t|Y|y])/,
        rangeRegExp         = /^((\d\d\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01]))$/,
        wcDateRegExp        = /^(((\d\d\d\d)|(\*\*\*\*))((0[1-9]|1[012])|(\*\*))(0[1-9]|[12][0-9]|3[01]))$/,
        wsCharClass         = "\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029",
        // https://gist.github.com/padolsey/527683
        oldIE               = (function(){var undef,v = 3,div = document.createElement('div'),all = div.getElementsByTagName('i');while (div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->',all[0]); return v > 4 ? v : undef;}());

    (function() {
        var scriptFiles = document.getElementsByTagName('script'),
            json        = parseJSON(String(scriptFiles[scriptFiles.length - 1].innerHTML).replace(/[\n\r\s\t]+/g, " ").replace(/^\s+/, "").replace(/\s+$/, ""));

        if(typeof json === "object" && !("err" in json)) {
            affectJSON(json);
        };

        if(deriveLocale && typeof(fdLocale) != "object") {
            var head   = document.getElementsByTagName("head")[0] || document.documentElement,
                loc    = langFileFolder ? langFileFolder : scriptFiles[scriptFiles.length - 1].src.substr(0, scriptFiles[scriptFiles.length - 1].src.lastIndexOf("/")) + "/lang/",
                script,
                i;

            for(i = 0; i < languageInfo.length; i++) {
                script          = document.createElement('script');
                script.type     = "text/javascript";
                script.src      = loc + languageInfo[i] + ".js";
                script.charSet  = "utf-8";

                if(oldIE && oldIE < 8) {
                    var bases = document.getElementsByTagName('base');
                    if (bases.length && bases[0].childNodes.length) {
                            bases[0].appendChild(script);
                    } else {
                            head.appendChild(script);
                    };
                    bases = null;
                } else {
                    head.appendChild(script);
                };
            };

            script = null;
        } else {
            returnLocaleDate = true;
        };
    })();

    function removeChildNodes(elem) {
        while(elem.firstChild) {
            elem.removeChild(elem.firstChild);
        };
    };

    function addClass(e, c) {
        if(new RegExp("(^|[" + wsCharClass + "])" + c + "([" + wsCharClass + "]|$)").test(e.className)) {
            return;
        };
        e.className += ( e.className ? " " : "" ) + c;
    };

    function removeClass(e, c) {
        e.className = !c ? "" : e.className.replace(new RegExp("(^|[" + wsCharClass + "])" + c + "([" + wsCharClass + "]|$)"), " ").replace(new RegExp("/^[" + wsCharClass + "][" + wsCharClass + "]*/"), '').replace(new RegExp("/[" + wsCharClass + "][" + wsCharClass + "]*$/"), '');
    };

    // Attempts to parse the current language from the HTML element. Defaults to "en" if none given
    function parseUILanguage() {
        var languageTag = document.getElementsByTagName('html')[0].getAttribute('lang') || document.getElementsByTagName('html')[0].getAttribute('xml:lang');
        languageTag = !languageTag ? "en" : languageTag.toLowerCase();
        return languageTag.search(/^([a-z]{2,3})-([a-z]{2})$/) != -1 ? [languageTag.match(/^([a-z]{2,3})-([a-z]{2})$/)[1], languageTag] : [languageTag];
    };

    // Cross browser split from http://blog.stevenlevithan.com/archives/cross-browser-split
    var cbSplit = function(str, separator, limit) {
        // if `separator` is not a regex, use the native `split`
        if(Object.prototype.toString.call(separator) !== "[object RegExp]") {
                return cbSplit._nativeSplit.call(str, separator, limit);
        };

        var output        = [],
            lastLastIndex = 0,
            flags         = "",
            separator     = RegExp(separator.source, "g"),
            separator2, match, lastIndex, lastLength;

        str = str + "";

        if(!cbSplit._compliantExecNpcg) {
            separator2 = RegExp("^" + separator.source + "$(?!\\s)", flags);
        };

        /* behavior for `limit`: if it's...
        - `undefined`: no limit.
        - `NaN` or zero: return an empty array.
        - a positive number: use `Math.floor(limit)`.
        - a negative number: no limit.
        - other: type-convert, then use the above rules. */
        if(limit === undefined || +limit < 0) {
            limit = Infinity;
        } else {
            limit = Math.floor(+limit);
            if(!limit) {
                return [];
            };
        };

        while(match = separator.exec(str)) {
            lastIndex = match.index + match[0].length; // `separator.lastIndex` is not reliable cross-browser

            if (lastIndex > lastLastIndex) {
                output.push(str.slice(lastLastIndex, match.index));

                // fix browsers whose `exec` methods don't consistently return `undefined` for nonparticipating capturing groups
                if(!cbSplit._compliantExecNpcg && match.length > 1) {
                    match[0].replace(separator2, function () {
                        for (var i = 1; i < arguments.length - 2; i++) {
                            if(arguments[i] === undefined) {
                                match[i] = undefined;
                            };
                        };
                    });
                };

                if(match.length > 1 && match.index < str.length) {
                    Array.prototype.push.apply(output, match.slice(1));
                };

                lastLength = match[0].length;
                lastLastIndex = lastIndex;

                if(output.length >= limit) {
                    break;
                };
            };

            if(separator.lastIndex === match.index) {
                // avoid an infinite loop
                separator.lastIndex++;
            };
        };

        if(lastLastIndex === str.length) {
            if (lastLength || !separator.test("")) {
                output.push("");
            };
        } else {
            output.push(str.slice(lastLastIndex));
        };

        return output.length > limit ? output.slice(0, limit) : output;
    };
    // NPCG: nonparticipating capturing group
    cbSplit._compliantExecNpcg = /()??/.exec("")[1] === undefined;
    cbSplit._nativeSplit = String.prototype.split;

    // Affects the JSON passed to the script
    function affectJSON(json) {
        if(!(typeof json === "object")) {
            return;
        };

        var key,
            switchObj = {
                "debug":function(value) {
                    debug = !!value;
                    return true;
                },
                "lang":function(value) {
                    if(typeof value === "string" && value.search(/^[a-z]{2,3}(-([a-z]{2}))?$/i) != -1) {
                        languageInfo = [value.toLowerCase()];
                        returnLocaleDate = true;
                        deriveLocale = true;
                    };
                    return true;
                },
                "nodrag":function(value) {
                    nodrag = !!value;
                    return true;
                },
                "buttontabindex":function(value) {
                    buttonTabIndex = !!value;
                    return true;
                },
                "derivelocale":function(value) {
                    deriveLocale = !!value;
                    return true;
                },
                "mousewheel":function(value) {
                    mouseWheel = !!value;
                    return true;
                },
                "cellformat":function(value) {
                    if(typeof value === "string") {
                        parseCellFormat(value);
                    };
                    return true;
                },
                "titleformat":function(value) {
                    if(typeof value === "string") {
                        titleFormat = value;
                    };
                    return true;
                },
                "statusformat":function(value) {
                    if(typeof value === "string") {
                        statusFormat = value;
                    };
                    return true;
                },
                "describedby":function(value) {
                    if(typeof value === "string") {
                        describedBy = value;
                    };
                    return true;
                },
                "finalopacity":function(value) {
                    if(typeof value === 'number' && (+value > 20 && +value <= 100)) {
                        finalOpacity = parseInt(value, 10);
                    };
                    return true;
                },
                "bespoketitles":function(value) {
                    if(typeof value === "object") {
                        bespokeTitles = {};
                        for(var dt in value) {
                            if(value.hasOwnProperty(dt) && String(dt).match(wcDateRegExp) != -1) {
                                bespokeTitles[dt] = String(value[dt]);
                            };
                        };
                    };
                    return true;
                },
                "dateparsefallback":function(value) {
                    dateParseFallback = !!value;
                    return true;
                },
                "languagefilelocation":function(value) {
                    langFileFolder = value;
                    return true;
                },
                "_default":function() {
                    if(debug) {
                        throw "Unknown key located within JSON data: " + key;
                    };
                    return true;
                }
            };

        for(key in json) {
            if(!json.hasOwnProperty(key)) {
                continue;
            };
            (switchObj.hasOwnProperty(String(key).toLowerCase()) && switchObj[String(key).toLowerCase()] || switchObj._default)(json[key]);
        };
    };

    // Parses the JSON passed either between the script tags or by using the
    // setGlobalOptions method
    function parseJSON(str) {
        if(!(typeof str === 'string') || str == "") {
            return {};
        };
        try {
            // Does a JSON (native or not) Object exist
            if(typeof JSON === "object" && JSON.parse) {
                return window.JSON.parse(str);
            // Genious code taken from: http://kentbrewster.com/badges/
            } else if(/debug|lang|nodrag|buttontabindex|derivelocale|mousewheel|cellformat|titleformat|statusformat|describedby|finalopacity|bespoketitles|dateparsefallback/.test(str.toLowerCase())) {
                var f = Function(['var document,top,self,window,parent,Number,Date,Object,Function,',
                    'Array,String,Math,RegExp,Image,ActiveXObject;',
                    'return (' , str.replace(/<\!--.+-->/gim,'').replace(/\bfunction\b/g,'function-') , ');'].join(''));
                return f();
            };
        } catch (e) { };

        if(debug) {
            throw "Could not parse the JSON object";
        };

        return {"err":1};
    };

    // Parses the cell format to use whenever the datepicker has keyboard focus
    function parseCellFormat(value) {
        if(isOpera) {
            // Don't use hidden text for opera due to the default
            // "blue" browser focus outline stretching outside of the viewport
            // and degrading visual accessibility. Harsh & hackish though...
            formatParts = ["%j"];
            cellFormat  = "%j %F %Y";
            return;
        };

        // If no day part stipulated then use presets
        if(value.match(/%([d|j])/) == -1) {
            return;
        };

        // Basic split on the %j or %d modifiers
        formatParts = cbSplit(value, /%([d|j])/);
        cellFormat  = value;
    };

    function pad(value, length) {
        length = Math.min(4, length || 2);
        return "0000".substr(0,length - Math.min(String(value).length, length)) + value;
    };

    // Very, very basic event functions
    function addEvent(obj, type, fn) {
        if(obj.addEventListener) {
            obj.addEventListener(type, fn, true);
        } else if(obj.attachEvent) {
            obj.attachEvent("on"+type, fn);
        };
    };
    function removeEvent(obj, type, fn) {
        try {
            if(obj.removeEventListener) {
                obj.removeEventListener(type, fn, true);
            } else if(obj.detachEvent) {
                obj.detachEvent("on"+type, fn);
            };
        } catch(err) {};
    };
    function stopEvent(e) {
        e = e || document.parentWindow.event;
        if(e.stopPropagation) {
            e.stopPropagation();
            e.preventDefault();
        };

        if(oldIE) {
            e.cancelBubble = true;
            e.returnValue = false;
        };
        
        return false;
    };

    function setARIARole(element, role) {
        if(element && element.tagName) {
            element.setAttribute("role", role);
        };
    };

    function setARIAProperty(element, property, value) {
        if(element && element.tagName) {
            element.setAttribute("aria-" + property, value);
        };
    };

    // Sets a tabindex attribute on an element, bends over for IE.
    function setTabIndex(e, i) {
        e.setAttribute(oldIE ? "tabIndex" : "tabindex", i);
        e.tabIndex = i;
    };

    function dateToYYYYMMDD(dt) {
        return dt instanceof Date && !isNaN(dt) ? dt.getFullYear() + pad(dt.getMonth() + 1) + "" + pad(dt.getDate()) : dt;
    };

    // The datePicker object itself
    function datePicker(options) {
        this.dateSet             = null;
        this.timerSet            = false;
        this.visible             = false;
        this.fadeTimer           = null;
        this.timer               = null;
        this.yearInc             = 0;
        this.monthInc            = 0;
        this.dayInc              = 0;
        this.mx                  = 0;
        this.my                  = 0;
        this.x                   = 0;
        this.y                   = 0;
        this.created             = false;
        this.disabled            = false;
        this.opacity             = 0;
        this.opacityTo           = 100;
        this.finalOpacity        = 100;
        this.inUpdate            = false;
        this.kbEventsAdded       = false;
        this.fullCreate          = false;
        this.selectedTD          = null;
        this.cursorTD            = null;
        this.cursorDate          = options.cursorDate ? options.cursorDate : "",
        this.date                = options.cursorDate ? new Date(+options.cursorDate.substr(0,4), +options.cursorDate.substr(4,2) - 1, +options.cursorDate.substr(6,2),5,0,0) : new Date();
        this.defaults            = {};
        this.dynDisabledDates    = {};
        this.dateList            = [];
        this.bespokeClass        = options.bespokeClass;
        this.firstDayOfWeek      = localeImport.firstDayOfWeek;
        this.interval            = new Date();
        this.clickActivated      = false;
        this.showCursor          = false;
        this.noFocus             = true;
        this.kbEvent             = false;
        this.delayedUpdate       = false;
        this.bespokeTitles       = {};
        this.bespokeTabIndex     = options.bespokeTabIndex;

        for(var thing in options) {
            if(!options.hasOwnProperty(thing) || String(thing).search(/^(callbacks|formElements|enabledDates|disabledDates)$/) != -1) {
                continue;
            };
            this[thing] = options[thing];
        };

        if(oldIE) {
            this.iePopUp = null;
        };
        
        for(var i = 0, prop; prop = ["callbacks", "formElements"][i]; i++) {
            this[prop] = {};
            if(prop in options) {
                for(thing in options[prop]) {
                    if(options[prop].hasOwnProperty(thing)) {
                            this[prop][thing] = options[prop][thing];
                    };
                };
            };
        };

        // Adjust time to stop daylight savings madness on windows
        this.date.setHours(5);

        // Called from an associated form elements onchange event
        this.changeHandler = function() {
            // In a perfect world this shouldn't ever happen
            if(o.disabled) {
                return;
            };
            o.setDateFromInput();
            o.callback("dateset", o.createCbArgObj());
        };

        // Creates the object passed to the callback functions
        this.createCbArgObj = function() {
            return this.dateSet ? {
                "id"    :this.id,
                "date"  :this.dateSet,
                "dd"    :pad(this.date.getDate()),
                "mm"    :pad(this.date.getMonth() + 1),
                "yyyy"  :this.date.getFullYear()
                } : {
                "id"    :this.id,
                "date"  :null,
                "dd"    :null,
                "mm"    :null,
                "yyyy"  :null
                };
        };

        // Attempts to grab the window scroll offsets
        this.getScrollOffsets = function() {
            if(typeof(window.pageYOffset) == 'number') {
                //Netscape compliant
                return [window.pageXOffset, window.pageYOffset];
            } else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
                //DOM compliant
                return [document.body.scrollLeft, document.body.scrollTop];
            } else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
                //IE6 standards compliant mode
                return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
            };
            return [0,0];
        };

        // Calculates the current list of disabled & enabled dates for a specific year/month
        this.getDateExceptions = function(y, m) {

            m = pad(m);

            var obj     = {},
                lower   = o.firstDateShown,
                upper   = o.lastDateShown,
                rLength = o.dateList.length,
                rNumber, workingDt, workingY, workingM, dtLower, dtUpper, i, dt, dt1, dt2, rngLower, rngUpper, cDate;

            if(!upper || !lower) {
                lower = o.firstDateShown = y + pad(m) + "01";
                upper = o.lastDateShown  = y + pad(m) + pad(daysInMonth(m, y));
            };

            dtLower = Number(lower.substr(0,6));
            dtUpper = Number(upper.substr(0,6));

            workingDt = String(dtLower);

            while(+workingDt <= dtUpper) {
                workingY = workingDt.substr(0,4);
                workingM = workingDt.substr(4,2);

                for(rNumber = 0; rNumber < rLength; rNumber++) {
                    dt1 = String(o.dateList[rNumber].rLow).replace(/^(\*\*\*\*)/, workingY).replace(/^(\d\d\d\d)(\*\*)/, "$1"+workingM);
                    dt2 = String(o.dateList[rNumber].rHigh).replace(/^(\*\*\*\*)/, workingY).replace(/^(\d\d\d\d)(\*\*)/, "$1"+workingM);

                    // Single date
                    if(dt2 == 1) {
                        if(+dt1 >= +o.firstDateShown && +dt1 <= +o.lastDateShown) {
                            obj[dt1] = o.dateList[rNumber].type;
                        };
                        continue;
                    };

                    // Date Range
                    if(dt1 <= dt2
                       &&
                       workingDt >= dt1.substr(0,6)
                       &&
                       workingDt <= dt2.substr(0,6)
                       ) {
                        rngLower = Math.max(dt1, Math.max(String(workingDt) + "01", this.firstDateShown));
                        rngUpper = Math.min(dt2, Math.min(String(workingDt) + "31", this.lastDateShown));
                        for(i = rngLower; i <= rngUpper; i++) {
                            obj[i] = o.dateList[rNumber].type;
                        };
                    };
                };

                // Let the Date Object take care of month overflowss
                workingDt = new Date(workingY, +workingM, 2);
                workingDt = workingDt.getFullYear()+""+pad(workingDt.getMonth()+1);
            };

            return obj;
        };

        // Repositions the datepicker beside the button - to the bottom by
        // preference but to the top if there is not enough room to display the
        // entire U.I. at the bottom (it really should be updated to favour
        // bottom positioning if not enough room to display the entire U.I. at
        // the top in that scenario though)
        this.reposition = function() {
            if(!o.created || o.staticPos) {
                return;
            };

            o.div.style.visibility = "hidden";
            o.div.style.left = o.div.style.top = "0px";
            o.div.style.display = "block";

            var osh         = o.div.offsetHeight,
                osw         = o.div.offsetWidth,
                elem        = document.getElementById('fd-but-' + o.id),
                pos         = o.truePosition(elem),
                trueBody    = (document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body,
                sOffsets    = o.getScrollOffsets(),
                scrollTop   = sOffsets[1],
                scrollLeft  = sOffsets[0],
                tSpace      = parseInt(pos[1] - 2) - parseInt(scrollTop),
                bSpace      = parseInt(trueBody.clientHeight + scrollTop) - parseInt(pos[1] + elem.offsetHeight + 2);

            o.div.style.visibility = "visible";

            o.div.style.left = Number(parseInt(trueBody.clientWidth+scrollLeft) < parseInt(osw+pos[0]) ? Math.abs(parseInt((trueBody.clientWidth+scrollLeft) - osw)) : pos[0]) + "px";
            o.div.style.top  = (bSpace > tSpace) ? Math.abs(parseInt(pos[1] + elem.offsetHeight + 2)) + "px" : Math.abs(parseInt(pos[1] - (osh + 2))) + "px";
            if(oldIE === 6) {
                o.iePopUp.style.top    = o.div.style.top;
                o.iePopUp.style.left   = o.div.style.left;
                o.iePopUp.style.width  = osw + "px";
                o.iePopUp.style.height = (osh - 2) + "px";
            };
        };

        this.removeCursorHighlight = function() {
            var td = document.getElementById(o.id + "-date-picker-hover");
            if(td) {
                removeClass(td, "date-picker-hover");
            };
        };

        this.addCursorHighlight = function() {
            var td = document.getElementById(o.id + "-date-picker-hover");
            if(td) {
                addClass(td, "date-picker-hover");
            };
        };
        // Resets the tabindex of the previously focused cell
        this.removeOldFocus = function() {
            var td = document.getElementById(o.id + "-date-picker-hover");
            if(td) {
                try {
                    setTabIndex(td, -1);
                    removeClass(td, "date-picker-hover");
                    td.id = "";
                    td.onblur  = null;
                    td.onfocus = null;
                } catch(err) {};
            };
        };

        // Sets the tabindex & focus on the currently highlighted cell
        this.setNewFocus = function() {
            var td = document.getElementById(o.id + "-date-picker-hover");
            if(td) {
                try {
                    setTabIndex(td, 0);
                    if(this.showCursor) {
                        addClass(td, "date-picker-hover");
                    };
                    // If opened with the keyboard then add focus & blur events to the cell
                    if(!this.clickActivated) {
                        td.onblur    = o.onblur;
                        td.onfocus   = o.onfocus;
                    };

                    // If opened with the keyboard (and not in opera) then add a screen-reader friendly date format
                    if(!isOpera && !this.clickActivated) {
                        o.addAccessibleDate();
                    };

                    // Try to programmatically set focus on the cell
                    if(!this.noFocus && !this.clickActivated) {
                        setTimeout(function() { try { td.focus(); } catch(err) {}; }, 0);
                    };
                } catch(err) { };
            };
        };

        // Adds a screen-reader friendly date to the current cell whenever
        // the datepicker has been opened with the keyboard
        this.addAccessibleDate = function() {
            var td   = document.getElementById(o.id + "-date-picker-hover");
            if(td && !(td.getElementsByTagName("span").length)) {
                var ymd = td.className.match(/cd-([\d]{4})([\d]{2})([\d]{2})/),
                    noS = td.className.search(noSelectionRegExp) != -1,
                    spn = document.createElement('span'),
                    spnC;

                spn.className       = "fd-screen-reader";

                removeChildNodes(td);

                if(noS) {
                    spnC = spn.cloneNode(false);
                    spnC.appendChild(document.createTextNode(getTitleTranslation(13)));
                    td.appendChild(spnC);
                };

                for(var pt = 0, part; part = formatParts[pt]; pt++) {
                    if(part == "%j" || part == "%d") {
                        td.appendChild(document.createTextNode(printFormattedDate(new Date(ymd[1], +ymd[2]-1, ymd[3], 5, 0, 0), part, true)));
                    } else {
                        spnC = spn.cloneNode(false);
                        spnC.appendChild(document.createTextNode(printFormattedDate(new Date(ymd[1], +ymd[2]-1, ymd[3], 5, 0, 0), part, true)));
                        td.appendChild(spnC);
                    };
                };
            };
        };

        // Sets the current cursor to a specific date
        this.setCursorDate = function(yyyymmdd) {
            if(String(yyyymmdd).search(/^([0-9]{8})$/) != -1) {
                this.date = new Date(+yyyymmdd.substr(0,4), +yyyymmdd.substr(4,2) - 1, +yyyymmdd.substr(6,2), 5, 0, 0);
                this.cursorDate = yyyymmdd;

                if(this.staticPos) {
                    this.updateTable();
                };
            };
        };

        // Updates the table used to display the datepicker
        this.updateTable = function(noCallback) {
            if(!o || o.inUpdate || !o.created) {
                return;
            };

            // We are currently updating (used to stop public methods from firing)
            o.inUpdate = true;

            // Remove the focus from the currently highlighted cell
            o.removeOldFocus();

            o.div.dir = localeImport.rtl ? "rtl" : "ltr";

            // If the update timer initiated
            if(o.timerSet && !o.delayedUpdate) {
                // Are we incrementing/decrementing the month
                if(o.monthInc) {
                    var n = o.date.getDate(),
                        d = new Date(o.date);

                    d.setDate(2);
                    d.setMonth(d.getMonth() + o.monthInc * 1);
                    // Don't go over the days in the month
                    d.setDate(Math.min(n, daysInMonth(d.getMonth(),d.getFullYear())));

                    o.date = new Date(d);
                } else {
                    o.date.setDate(Math.min(o.date.getDate()+o.dayInc, daysInMonth(o.date.getMonth()+o.monthInc,o.date.getFullYear()+o.yearInc)));
                    o.date.setMonth(o.date.getMonth() + o.monthInc);
                    o.date.setFullYear(o.date.getFullYear() + o.yearInc);
                };
            };

            // Make sure the internal date is within range
            o.outOfRange();

            // Disable/enable the today button
            if(!o.noToday) {
                o.disableTodayButton();
            };

            // Disable/enable the month & year buttons
            o.showHideButtons(o.date);

            var cd = o.date.getDate(),
                cm = o.date.getMonth(),
                cy = o.date.getFullYear(),
                cursorDate = (String(cy) + pad(cm+1) + pad(cd)),
                tmpDate    = new Date(cy, cm, 1, 5, 0, 0);

            tmpDate.setHours(5);

            var dt, dts, cName, row, td, i, currentDate, cellAdded, col, currentStub, abbr, bespokeRenderClass, spnC, dateSetD, selectable, weekDay,
                // Weekday of the fist of the month
                weekDayC            = (tmpDate.getDay() + 6) % 7,
                // The column index this weekday will occupy
                firstColIndex       = (((weekDayC - o.firstDayOfWeek) + 7 ) % 7) - 1,
                // The number of days in the current month
                dpm                 = daysInMonth(cm, cy),
                // Today as a Date Object
                today               = new Date(),
                // Today as a YYYYMMDD String
                today               = today.getFullYear() + pad(today.getMonth()+1) + pad(today.getDate()),
                // A Sring date stub in a YYYYMM format for the current date
                stub                = String(tmpDate.getFullYear()) + pad(tmpDate.getMonth()+1),
                //
                cellAdded           = [4,4,4,4,4,4],
                // The first day of the previous month as a Date Object
                lm                  = new Date(cy, cm-1, 1, 5, 0, 0),
                // The first day of the next month as a Date Object
                nm                  = new Date(cy, cm+1, 1, 5, 0, 0),
                // The number of days in the previous month
                daySub              = daysInMonth(lm.getMonth(), lm.getFullYear()),
                // YYYYMM String date stub for the next month
                stubN               = String(nm.getFullYear()) + pad(nm.getMonth()+1),
                // YYYYMM String date stub for the previous month
                stubP               = String(lm.getFullYear()) + pad(lm.getMonth()+1),
                weekDayN            = (nm.getDay() + 6) % 7,
                weekDayP            = (lm.getDay() + 6) % 7,
                // A SPAN node to clone when adding dates to individual cells
                spn                 = document.createElement('span');

            // Give the "fd-screen-reader" class to the span in order to hide them in the UI
            // but keep them accessible to screen-readers
            spn.className       = "fd-screen-reader";

            // The first & last dates shown on the datepicker UI - could be a date from the previous & next month respectively
            o.firstDateShown    = !o.constrainSelection && o.fillGrid && (0 - firstColIndex < 1) ? String(stubP) + (daySub + (0 - firstColIndex)) : stub + "01";
            o.lastDateShown     = !o.constrainSelection && o.fillGrid ? stubN + pad(41 - firstColIndex - dpm) : stub + String(dpm);

            // Store a reference to the current YYYYMM String representation of the current month
            o.currentYYYYMM     = stub;

            bespokeRenderClass  = o.callback("redraw", {id:o.id, dd:pad(cd), mm:pad(cm+1), yyyy:cy, firstDateDisplayed:o.firstDateShown, lastDateDisplayed:o.lastDateShown}) || {};

            // An Object of dates that have been explicitly disabled (1) or enabled (0)
            dts                 = o.getDateExceptions(cy, cm+1);

            // Double check current date within limits etc
            o.checkSelectedDate();
            //
            dateSetD            = (o.dateSet != null) ? o.dateSet.getFullYear() + pad(o.dateSet.getMonth()+1) + pad(o.dateSet.getDate()) : false;

            // If we have selected a date then set its ARIA selected property
            // to false. We then set the ARIA selected property to true on the
            // newly selected cell after redrawing the table
            if(this.selectedTD != null) {
                setARIAProperty(this.selectedTD, "selected", false);
                this.selectedTD = null;
            };

            // Redraw all of the table cells representing the date parts of the UI
            for(var curr = 0; curr < 42; curr++) {
                // Current row
                row  = Math.floor(curr / 7);
                // Current TD node
                td   = o.tds[curr];
                // Clone our SPAN node
                spnC = spn.cloneNode(false);
                // Remove any previous contents from the cell
                removeChildNodes(td);

                // If the current cell contains a date
                if((curr > -1 && curr <= 34) || (o.fillGrid && (firstColIndex + dpm)>34)) {
                    currentStub     = stub;
                    weekDay         = weekDayC;
                    dt              = curr - firstColIndex;
                    cName           = [];
                    selectable      = true;

                    // Are we drawing last month
                    if(dt < 1) {
                        dt              = daySub + dt;
                        currentStub     = stubP;
                        weekDay         = weekDayP;
                        selectable      = !o.constrainSelection;
                        cName.push("month-out");
                    // Are we drawing next month
                    } else if(dt > dpm) {
                        dt -= dpm;
                        currentStub     = stubN;
                        weekDay         = weekDayN;
                        selectable      = !o.constrainSelection;
                        cName.push("month-out");
                    };

                    // Calcuate this cells weekday
                    weekDay = (weekDay + dt + 6) % 7;

                    // Push a classname representing the weekday e.g. "day-3"
                    cName.push("day-" + weekDay + " cell-" + curr);

                    // A YYYYMMDD String representation of this cells date
                    currentDate = currentStub + String(dt < 10 ? "0" : "") + dt;

                    // If this cells date is out of range
                    if(o.rangeLow && +currentDate < +o.rangeLow || o.rangeHigh && +currentDate > +o.rangeHigh) {
                        // Add a classname to style the cell and stop selection
                        td.className = "out-of-range";
                        // Reset this TD nodes title attribute
                        td.title = "";
                        // Append the cells date as a text node to the TD
                        td.appendChild(document.createTextNode(dt));
                        // Jaysus, what the feck does this line do again...
                        if(o.showWeeks) {
                            cellAdded[row] = Math.min(cellAdded[row], 2);
                        };
                    // This cells date is within the lower & upper ranges (or no ranges have been defined)
                    } else {
                        // If it's a date from last or next month and the "constrainSelection" option
                        // is false then give the cell a CD-YYYYMMDD class
                        if(selectable) {
                            td.title = titleFormat ? printFormattedDate(new Date(+String(currentStub).substr(0,4), +String(currentStub).substr(4, 2) - 1, +dt, 5, 0, 0), titleFormat, true) : "";
                            cName.push("cd-" + currentDate + " yyyymmdd-" + currentDate + " yyyymm-" + currentStub + " mmdd-" + currentStub.substr(4,2) + pad(dt));
                        // Otherwise give a "not-selectable" class (which shouldn't be styled in any way, it's for internal use)
                        } else {
                            td.title = titleFormat ? getTitleTranslation(13) + " " + printFormattedDate(new Date(+String(currentStub).substr(0,4), +String(currentStub).substr(4, 2) - 1, +dt, 5, 0, 0), titleFormat, true) : "";
                            cName.push("yyyymmdd-" + currentDate + " yyyymm-" + currentStub + " mmdd-" + currentStub.substr(4,2) + pad(dt) + " not-selectable");
                        };

                        // Add a classname if the current cells date is today
                        if(currentDate == today) {
                          cName.push("date-picker-today");
                          //if(curr>0){
                            //var tdAux = o.tds[curr-1];
                            //tdAux.className = tdAux.className + " no_borderRight";
                          //}
                        };
                        

                        // If this cell represents the currently selected date
                        if(dateSetD == currentDate) {
                            // Add a classname (for styling purposes)
                            cName.push("date-picker-selected-date");
                            // Set the ARIA selected property to true
                            setARIAProperty(td, "selected", "true");
                            // And cache a reference to the current cell
                            this.selectedTD = td;
                        };

                        // If the current cell has been explicitly disabled
                        if(((currentDate in dts) && dts[currentDate] == 1)
                           // or
                           ||
                           // ... the current weekday has been disabled
                           (o.disabledDays[weekDay]
                            &&
                           // ... and the current date has not been explicitly enabled
                           !((currentDate in dts) && dts[currentDate] == 0)
                           )
                          ) {
                            // Add a classname to style the cell and stop selection
                            cName.push("day-disabled");
                            // Update the current cells title to say "Disabled date: ..." (or whatever the translation says)
                            if(titleFormat && selectable) {
                                td.title = getTitleTranslation(13) + " " + td.title;
                            };
                        };

                        // Has the redraw callback given us a bespoke classname to add to this cell
                        if(currentDate in bespokeRenderClass) {
                            cName.push(bespokeRenderClass[currentDate]);
                        };

                        // Do we need to highlight this cells weekday representation
                        if(o.highlightDays[weekDay]) {
                            cName.push("date-picker-highlight");
                        };

                        // Is the current onscreen cursor set to this cells date
                        if(cursorDate == currentDate) {
                            td.id = o.id + "-date-picker-hover";
                        };

                        // Add the date to the TD cell as a text node. Note: If the datepicker has been given keyboard
                        // events, this textnode is replaced by a more screen-reader friendly date during the focus event
                        td.appendChild(document.createTextNode(dt));

                        // Add the classnames to the TD node
                        td.className = cName.join(" ");
                        td.removeAttribute("data-url");
                         
                        // If the UI displays week numbers then update the celladded
                        if(o.showWeeks) {
                            cellAdded[row] = Math.min(cName[0] == "month-out" ? 3 : 1, cellAdded[row]);
                        };
                    };
                // The current TD node is empty i.e. represents no date in the UI
                } else {
                    // Add a classname to style the cell
                    td.className = "date-picker-unused hide";
                    // Add a non-breaking space to unused TD node (for IEs benefit mostly)
                    td.appendChild(document.createTextNode(nbsp));
                    // Reset the TD nodes title attribute
                    td.title = "";
                };
                // Do we update the week number for this row
                if(o.showWeeks && curr - (row * 7) == 6) {
                    removeChildNodes(o.wkThs[row]);
                    o.wkThs[row].appendChild(document.createTextNode(cellAdded[row] == 4 && !o.fillGrid ? nbsp : getWeekNumber(cy, cm, curr - firstColIndex - 6)));
                    o.wkThs[row].className = "date-picker-week-header" + (["",""," out-of-range"," month-out",""][cellAdded[row]]);
                };
                console.log ("fila " + row);
            };

            // Update the UI title bar displaying the year & month
            var span = o.titleBar.getElementsByTagName("span");
            removeChildNodes(span[0]);
            removeChildNodes(span[1]);
            span[0].appendChild(document.createTextNode(getMonthTranslation(cm, false) + nbsp));
            span[1].appendChild(document.createTextNode(cy));

            // If we are in an animation
            if(o.timerSet) {
                // Speed the timer up a little bit to make the pause between updates quicker
                o.timerInc = 50 + Math.round(((o.timerInc - 50) / 1.8));
                // Recall this function in a timeout
                o.timer = window.setTimeout(o.updateTable, o.timerInc);
            };

            // We are not currently updating the UI
            o.inUpdate = o.delayedUpdate = false;
            // Focus on the correct TD node
            o.setNewFocus();
        };

        // Removes all scaffold from the DOM & events from memory
        this.destroy = function() {

            // Remove the button if it exists
            if(document.getElementById("fd-but-" + this.id)) {
                document.getElementById("fd-but-" + this.id).parentNode.removeChild(document.getElementById("fd-but-" + this.id));
            };

            if(!this.created) {
                return;
            };

            // Event cleanup for Internet Explorers benefit
            removeEvent(this.table, "mousedown", o.onmousedown);
            removeEvent(this.table, "mouseover", o.onmouseover);
            removeEvent(this.table, "mouseout", o.onmouseout);
            removeEvent(document, "mousedown", o.onmousedown);
            removeEvent(document, "mouseup",   o.clearTimer);

            if (window.addEventListener && !window.devicePixelRatio) {
                try {
                    window.removeEventListener('DOMMouseScroll', this.onmousewheel, false);
                } catch(err) {};
            } else {
                removeEvent(document, "mousewheel", this.onmousewheel);
                removeEvent(window,   "mousewheel", this.onmousewheel);
            };
            o.removeOnFocusEvents();
            clearTimeout(o.fadeTimer);
            clearTimeout(o.timer);

            if(oldIE === 6 && !o.staticPos) {
                try {
                    o.iePopUp.parentNode.removeChild(o.iePopUp);
                    o.iePopUp = null;
                } catch(err) {};
            };
            
            if(this.div && this.div.parentNode) {
                this.div.parentNode.removeChild(this.div);
            };

            o = null;
        };

        this.resizeInlineDiv = function()  {
            o.div.style.width = o.table.offsetWidth + "px";
            o.div.style.height = o.table.offsetHeight + "px";
        };

        this.reset = function() {
            var elemID, elem;
            for(elemID in o.formElements) {
                elem = document.getElementById(elemID);
                if(elem) {
                    if(elem.tagName.toLowerCase() == "select") {
                        elem.selectedIndex = o.defaultVals[elemID];
                    } else {
                        elem.value = o.defaultVals[elemID];
                    };
                };
            };
            o.changeHandler();
        };

        // Creates the DOM scaffold
        this.create = function() {

            if(document.getElementById("fd-" + this.id)) {
                return;
            };

            var tr, row, col, tableHead, tableBody, tableFoot;

            this.noFocus = true;

            function createTH(details) {
                var th = document.createElement('th');
                if(details.thClassName) {
                    th.className = details.thClassName;
                };
                if(details.colspan) {
                    th.setAttribute(oldIE ? 'colSpan' : "colspan", details.colspan);
                };
                th.unselectable = "on";
                return th;
            };
            function createThAndButton(tr, obj) {
                for(var i = 0, details; details = obj[i]; i++) {
                    var th = createTH(details);
                    tr.appendChild(th);
                    var but = document.createElement('span');
                    but.className = details.className;
                    but.id = o.id + details.id;
                    but.appendChild(document.createTextNode(details.text || o.nbsp));
                    but.title = details.title || "";
                    but.unselectable = "on";
                    th.appendChild(but);
                };
            };

            this.div                     = document.createElement('div');
            this.div.id                  = "fd-" + this.id;
            this.div.className           = "date-picker" + (cssAnimations ? " fd-dp-fade " : "") + this.bespokeClass;

            // Attempt to hide the div from screen readers during content creation
            this.div.style.visibility = "hidden";
            this.div.style.display = "none";

            // Set the ARIA describedby property if the required block available
            if(this.describedBy && document.getElementById(this.describedBy)) {
                setARIAProperty(this.div, "describedby", this.describedBy);
            };

            // Set the ARIA labelled property if the required label available
            if(this.labelledBy) {
                setARIAProperty(this.div, "labelledby", this.labelledBy.id);
            };

            this.idiv                     = document.createElement('div');

            this.table             = document.createElement('table');
            this.table.className   = "date-picker-table";
            this.table.onmouseover = this.onmouseover;
            this.table.onmouseout  = this.onmouseout;
            this.table.onclick     = this.onclick;

            if(this.finalOpacity < 100) {
                this.idiv.style.opacity = Math.min(Math.max(parseInt(this.finalOpacity, 10) / 100, .2), 1);
            };

            if(this.staticPos) {
                this.table.onmousedown  = this.onmousedown;
            };

            this.div.appendChild(this.idiv);
            this.idiv.appendChild(this.table);

            var dragEnabledCN = !this.dragDisabled ? " drag-enabled" : "";

            if(!this.staticPos) {
                this.div.style.visibility = "hidden";
                this.div.className += dragEnabledCN;
                document.getElementsByTagName('body')[0].appendChild(this.div);

                if(oldIE === 6) {
                    this.iePopUp = document.createElement('iframe');
                    this.iePopUp.src = "javascript:'<html></html>';";
                    this.iePopUp.setAttribute('className','iehack');
                    // Remove iFrame from tabIndex
                    this.iePopUp.setAttribute("tabIndex", -1);
                    // Hide it from ARIA aware technologies
                    setARIARole(this.iePopUp, "presentation");
                    setARIAProperty(this.iePopUp, "hidden", "true");
                    this.iePopUp.scrolling = "no";
                    this.iePopUp.frameBorder = "0";
                    this.iePopUp.name = this.iePopUp.id = this.id + "-iePopUpHack";
                    document.body.appendChild(this.iePopUp);
                };

                // Aria "hidden" property for non active popup datepickers
                setARIAProperty(this.div, "hidden", "true");
            } else {
                var elem = document.getElementById(this.positioned ? this.positioned : this.id);
                if(!elem) {
                    this.div = null;
                    if(debug) {
                        throw this.positioned ? "Could not locate a datePickers associated parent element with an id:" + this.positioned : "Could not locate a datePickers associated input with an id:" + this.id;
                    };
                    return;
                };

                this.div.className += " static-datepicker";

                if(this.positioned) {
                    elem.appendChild(this.div);
                } else {
                    elem.parentNode.insertBefore(this.div, elem.nextSibling);
                };

                if(this.hideInput) {
                    for(var elemID in this.formElements) {
                        elem = document.getElementById(elemID);
                        if(elem) {
                            elem.className += " fd-hidden-input";
                        };
                    };
                };

                setTimeout(this.resizeInlineDiv, 300);
            };
            // ARIA Application role
            setARIARole(this.div, "application");
            //setARIARole(this.table, "grid");

            if(this.statusFormat) {
                tableFoot = document.createElement('tfoot');
                this.table.appendChild(tableFoot);
                tr = document.createElement('tr');
                tr.className = "date-picker-tfoot";
                tableFoot.appendChild(tr);
                this.statusBar = createTH({thClassName:"date-picker-statusbar" + dragEnabledCN, colspan:this.showWeeks ? 8 : 7});
                tr.appendChild(this.statusBar);
                this.updateStatus();
            };

            tableHead = document.createElement('thead');
            tableHead.className = "date-picker-thead";
            this.table.appendChild(tableHead);

            tr  = document.createElement('tr');
            setARIARole(tr, "presentation");

            tableHead.appendChild(tr);

            // Title Bar
            this.titleBar = createTH({thClassName:"date-picker-title" + dragEnabledCN, colspan:this.showWeeks ? 8 : 7});

            tr.appendChild(this.titleBar);
            tr = null;

            var span = document.createElement('span');
            span.appendChild(document.createTextNode(nbsp));
            span.className = "month-display" + dragEnabledCN;
            this.titleBar.appendChild(span);

            span = document.createElement('span');
            span.appendChild(document.createTextNode(nbsp));
            span.className = "year-display" + dragEnabledCN;
            this.titleBar.appendChild(span);

            span = null;

            tr  = document.createElement('tr');
            setARIARole(tr, "presentation");
            tableHead.appendChild(tr);

            createThAndButton(tr, [
            {className:"prev-but prev-year",  id:"-prev-year-but", text:"\u00AB", title:getTitleTranslation(2) },
            {className:"prev-but prev-month", id:"-prev-month-but", text:"\u2039", title:getTitleTranslation(0) },
            {colspan:this.showWeeks ? 4 : 3, className:"today-but", id:"-today-but", text:getTitleTranslation(4)},
            {className:"next-but next-month", id:"-next-month-but", text:"\u203A", title:getTitleTranslation(1)},
            {className:"next-but next-year",  id:"-next-year-but", text:"\u00BB", title:getTitleTranslation(3) }
            ]);

            tableBody = document.createElement('tbody');
            this.table.appendChild(tableBody);

            var colspanTotal = this.showWeeks ? 8 : 7,
                colOffset    = this.showWeeks ? 0 : -1,
                but, abbr, formElemId, formElem;
            for(var rows = 0; rows < 7; rows++) {
                row = document.createElement('tr');

                if(rows != 0) {
                    // ARIA Grid role
                    setARIARole(row, "row");
                    tableBody.appendChild(row);
                } else {
                    tableHead.appendChild(row);
                };

                for(var cols = 0; cols < colspanTotal; cols++) {
                    if(rows === 0 || (this.showWeeks && cols === 0)) {
                        col = document.createElement('th');
                    } else {
                        col = document.createElement('td');
                        setARIAProperty(col, "describedby", this.id + "-col-" + cols + (this.showWeeks ? " " + this.id + "-row-" + rows : ""));
                        setARIAProperty(col, "selected", "false");
                    };

                    if(oldIE) {
                        col.unselectable = "on";
                    };

                    row.appendChild(col);
                    if((this.showWeeks && cols > 0 && rows > 0) || (!this.showWeeks && rows > 0)) {
                        //setARIARole(col, "gridcell");
                    } else {
                        if(rows === 0 && cols > colOffset) {
                            col.className = "date-picker-day-header";
                            col.scope = "col";
                            //setARIARole(col, "columnheader");
                            col.id = this.id + "-col-" + cols;
                        } else {
                            col.className = "date-picker-week-header";
                            col.scope = "row";
                            //setARIARole(col, "rowheader");
                            col.id = this.id + "-row-" + rows;
                        };
                    };
                };
            };

            col = row = null;

            this.ths = this.table.getElementsByTagName('thead')[0].getElementsByTagName('tr')[2].getElementsByTagName('th');

            for (var y = 0; y < colspanTotal; y++) {

                if(y == 0 && this.showWeeks) {
                    this.ths[y].appendChild(document.createTextNode(getTitleTranslation(6)));
                    this.ths[y].title = getTitleTranslation(8);
                    continue;
                };

                if(y > (this.showWeeks ? 0 : -1)) {
                    but = document.createElement("span");
                    but.className = "fd-day-header";
                    if(oldIE) {
                        but.unselectable = "on";
                    };
                    this.ths[y].appendChild(but);
                };
            };

            but = null;

            this.trs             = this.table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
            this.tds             = this.table.getElementsByTagName('tbody')[0].getElementsByTagName('td');
            this.butPrevYear     = document.getElementById(this.id + "-prev-year-but");
            this.butPrevMonth    = document.getElementById(this.id + "-prev-month-but");
            this.butToday        = document.getElementById(this.id + "-today-but");
            this.butNextYear     = document.getElementById(this.id + "-next-year-but");
            this.butNextMonth    = document.getElementById(this.id + "-next-month-but");

            if(this.noToday) {
                this.butToday.style.display = "none";
            };

            if(this.showWeeks) {
                this.wkThs = this.table.getElementsByTagName('tbody')[0].getElementsByTagName('th');
                this.div.className += " weeks-displayed";
            };

            tableBody = tableHead = tr = createThAndButton = createTH = null;

            this.updateTableHeaders();
            this.created = true;
            this.updateTable();

            if(this.staticPos) {
                this.visible = true;
                this.opacity = 100;
                this.div.style.visibility = "visible";
                this.div.style.display = "block";
                this.noFocus = true;
                this.fade();
            } else {
                this.reposition();
                this.div.style.visibility = "visible";
                this.fade();
                this.noFocus = true;
            };

            this.callback("domcreate", { "id":this.id });
        };

        this.transEnd = function() {
            o.div.style.display     = "none";
            o.div.style.visibility  = "hidden";
            setARIAProperty(o.div, "hidden", "true");
        };

        this.fade = function() {
            window.clearTimeout(o.fadeTimer);
            o.fadeTimer = null;
            if(cssAnimations) {
                o.opacity = o.opacityTo;
                if(o.opacityTo == 0) {
                    o.visible = false;
                    addEvent(o.div, transitionEnd, o.transEnd);
                    addClass(o.div, "fd-dp-fade");
                } else {
                    removeEvent(o.div, transitionEnd, o.transEnd);
                    o.visible               = true;
                    o.div.style.display     = "block";
                    o.div.style.visibility  = "visible";
                    setARIAProperty(o.div, "hidden", "false");
                    removeClass(o.div, "fd-dp-fade");
                };
                return;
            };

            var diff = Math.round(o.opacity + ((o.opacityTo - o.opacity) / 4));
            o.setOpacity(diff);
            if(Math.abs(o.opacityTo - diff) > 3 && !o.noFadeEffect) {
                o.fadeTimer = window.setTimeout(o.fade, 50);
            } else {
                o.setOpacity(o.opacityTo);
                if(o.opacityTo == 0) {
                    o.div.style.display    = "none";
                    o.div.style.visibility = "hidden";
                    setARIAProperty(o.div, "hidden", "true");
                    o.visible = false;
                } else {
                    setARIAProperty(o.div, "hidden", "false");
                    o.visible = true;
                };
            };
        };
        this.trackDrag = function(e) {
            e = e || window.event;
            var diffx = (e.pageX?e.pageX:e.clientX?e.clientX:e.x) - o.mx;
            var diffy = (e.pageY?e.pageY:e.clientY?e.clientY:e.Y) - o.my;
            o.div.style.left = Math.round(o.x + diffx) > 0 ? Math.round(o.x + diffx) + 'px' : "0px";
            o.div.style.top  = Math.round(o.y + diffy) > 0 ? Math.round(o.y + diffy) + 'px' : "0px";
            if(oldIE === 6 && !o.staticPos) {
                o.iePopUp.style.top    = o.div.style.top;
                o.iePopUp.style.left   = o.div.style.left;
            };
        };
        this.stopDrag = function(e) {
            var b = document.getElementsByTagName("body")[0];
            removeClass(b, "fd-drag-active");
            removeEvent(document,'mousemove',o.trackDrag, false);
            removeEvent(document,'mouseup',o.stopDrag, false);
            o.div.style.zIndex = 9999;
        };
        this.onmousedown = function(e) {
            e = e || document.parentWindow.event;
            var el     = e.target != null ? e.target : e.srcElement,
                origEl = el,
                hideDP = true,
                reg    = new RegExp("^fd-(but-)?" + o.id + "$");

            o.mouseDownElem = null;

            // Are we within the wrapper div or the button
            while(el) {
                if(el.id && el.id.length && el.id.search(reg) != -1) {
                    hideDP = false;
                    break;
                };
                try {
                    el = el.parentNode;
                } catch(err) {
                    break;
                };
            };

            // If not, then ...
            if(hideDP) {
                hideAll();
                return true;
            };

            if((o.div.className + origEl.className).search('fd-disabled') != -1) {
                return true;
            };

            // We check the mousedown events on the buttons
            if(origEl.id.search(new RegExp("^" + o.id + "(-prev-year-but|-prev-month-but|-next-month-but|-next-year-but)$")) != -1) {

                o.mouseDownElem = origEl;

                addEvent(document, "mouseup", o.clearTimer);
                addEvent(origEl, "mouseout",  o.clearTimer);

                var incs = {
                        "-prev-year-but":[0,-1,0],
                        "-prev-month-but":[0,0,-1],
                        "-next-year-but":[0,1,0],
                        "-next-month-but":[0,0,1]
                    },
                    check = origEl.id.replace(o.id, ""),
                    dateYYYYMM = Number(o.date.getFullYear() + pad(o.date.getMonth()+1));

                o.timerInc      = 800;
                o.timerSet      = true;
                o.dayInc        = incs[check][0];
                o.yearInc       = incs[check][1];
                o.monthInc      = incs[check][2];
                o.accellerator  = 1;

                if(!(o.currentYYYYMM == dateYYYYMM)) {
                    if((o.currentYYYYMM < dateYYYYMM && (o.yearInc == -1 || o.monthInc == -1)) || (o.currentYYYYMM > dateYYYYMM && (o.yearInc == 1 || o.monthInc == 1))) {
                        o.delayedUpdate = false;
                        o.timerInc = 1200;
                    } else {
                        o.delayedUpdate = true;
                    };
                };

                o.updateTable();

                return stopEvent(e);

            } else if(el.className.search("drag-enabled") != -1) {
                    o.mx = e.pageX ? e.pageX : e.clientX ? e.clientX : e.x;
                    o.my = e.pageY ? e.pageY : e.clientY ? e.clientY : e.Y;
                    o.x  = parseInt(o.div.style.left, 10);
                    o.y  = parseInt(o.div.style.top, 10);
                    addEvent(document,'mousemove',o.trackDrag, false);
                    addEvent(document,'mouseup',o.stopDrag, false);
                    addClass(document.getElementsByTagName("body")[0], "fd-drag-active");
                    o.div.style.zIndex = 10000;

                    return stopEvent(e);
            };
            return true;
        };
        this.onclick = function(e) {
            if((!cssAnimations && o.opacity != o.opacityTo) || o.disabled) {
                return stopEvent(e);
            };

            e = e || document.parentWindow.event;
            var el = e.target != null ? e.target : e.srcElement;

            while(el.parentNode) {
                // Are we within a valid i.e. clickable TD node
                if(el.tagName && el.tagName.toLowerCase() == "td") {

                    if(el.className.search(/cd-([0-9]{8})/) == -1 || el.className.search(noSelectionRegExp) != -1) {
                        return stopEvent(e);
                    };
                    
                    if(el.attributes!=null) {
                      var blStopEvent = false;
                      for (var att, i = 0, atts = el.attributes, n = atts.length; i < n; i++){
                        att = atts[i];
                        if(att.nodeName=="data-url"){
                          blStopEvent = true;
                        }
                      }
                      if(blStopEvent){
                        var cellDate = el.className.match(/cd-([0-9]{8})/)[1];
                        o.date       = new Date(cellDate.substr(0,4),cellDate.substr(4,2)-1,cellDate.substr(6,2), 5, 0, 0);
                        o.dateSet    = new Date(o.date);
                        o.noFocus    = true;
                        o.callback("datereturned", o.createCbArgObj());
                        break;
                      }
                    };

                    var cellDate = el.className.match(/cd-([0-9]{8})/)[1];
                    o.date       = new Date(cellDate.substr(0,4),cellDate.substr(4,2)-1,cellDate.substr(6,2), 5, 0, 0);
                    o.dateSet    = new Date(o.date);
                    o.noFocus    = true;
                    o.callback("dateset", { "id":o.id, "date":o.dateSet, "dd":o.dateSet.getDate(), "mm":o.dateSet.getMonth() + 1, "yyyy":o.dateSet.getFullYear() });
                    o.returnFormattedDate();
                    o.hide();
                    o.stopTimer();
                    break;
                } else if(el.id && el.id == o.id + "-today-but") {
                    o.date = new Date();
                    o.updateTable();
                    o.stopTimer();
                    break;
                } else if(el.className.search(/date-picker-day-header/) != -1) {
                    var cnt = o.showWeeks ? -1 : 0,
                        elem = el;

                    while(elem.previousSibling) {
                        elem = elem.previousSibling;
                        if(elem.tagName && elem.tagName.toLowerCase() == "th") {
                            cnt++;
                        };
                    };

                    o.firstDayOfWeek = (o.firstDayOfWeek + cnt) % 7;
                    o.updateTableHeaders();
                    break;
                };
                try {
                    el = el.parentNode;
                } catch(err) {
                    break;
                };
            };

            return stopEvent(e);
        };

        this.show = function(autoFocus) {
            if(this.staticPos) {
                return;
            };

            var elem, elemID;
            for(elemID in this.formElements) {
                elem = document.getElementById(this.id);
                if(!elem || (elem && elem.disabled)) {
                    return;
                };
            };

            this.noFocus = true;

            // If the datepicker doesn't exist in the dom
            if(!this.created || !document.getElementById('fd-' + this.id)) {
                this.created    = false;
                this.fullCreate = false;
                this.create();
                this.fullCreate = true;
            } else {
                this.setDateFromInput();
                this.reposition();
            };

            this.noFocus = !!!autoFocus;

            if(this.noFocus) {
                this.clickActivated = true;
                this.showCursor = false;
                addEvent(document, "mousedown", this.onmousedown);
                if(mouseWheel) {
                    if (window.addEventListener && !window.devicePixelRatio) {
                        window.addEventListener('DOMMouseScroll', this.onmousewheel, false);
                    } else {
                        addEvent(document, "mousewheel", this.onmousewheel);
                        addEvent(window,   "mousewheel", this.onmousewheel);
                    };
                };
            } else {
                this.clickActivated = false;
                this.showCursor = true;
            };

            this.opacityTo = 100;
            this.div.style.display = "block";

            if(oldIE === 6) {
                this.iePopUp.style.width    = this.div.offsetWidth + "px";
                this.iePopUp.style.height   = this.div.offsetHeight + "px";
                this.iePopUp.style.display  = "block";
            };

            this.setNewFocus();
            this.fade();
            var butt = document.getElementById('fd-but-' + this.id);
            if(butt) {
                  addClass(butt, "date-picker-button-active");
            };
        };

        this.hide = function() {
            if(!this.visible || !this.created || !document.getElementById('fd-' + this.id)) {
                return;
            };

            this.kbEvent = false;

            removeClass(o.div, "date-picker-focus");

            this.stopTimer();
            this.removeOnFocusEvents();
            this.clickActivated = false;
            this.noFocus = true;
            this.showCursor = false;
            this.setNewFocus();

            if(this.staticPos) {
                return;
            };

            if(this.statusBar) {
                this.updateStatus(getTitleTranslation(9));
            };

            var butt = document.getElementById('fd-but-' + this.id);

            if(butt) {
                removeClass(butt, "date-picker-button-active");
            };

            removeEvent(document, "mousedown", this.onmousedown);

            if(mouseWheel) {
                if (window.addEventListener && !window.devicePixelRatio) {
                    try {
                        window.removeEventListener('DOMMouseScroll', this.onmousewheel, false);
                    } catch(err) {};
                } else {
                    removeEvent(document, "mousewheel", this.onmousewheel);
                    removeEvent(window,   "mousewheel", this.onmousewheel);
                };
            };


            if(oldIE === 6) {
                this.iePopUp.style.display = "none";
            };

            this.opacityTo = 0;
            this.fade();
        };

        this.onblur = function(e) {
            o.removeCursorHighlight();
            o.hide();
        };
        // The current cursor cell gains focus
        this.onfocus = function(e) {
            o.noFocus = false;
            addClass(o.div, "date-picker-focus");
            if(o.statusBar) {
                o.updateStatus(printFormattedDate(o.date, o.statusFormat, true));
            };
            o.showCursor = true;
            o.addCursorHighlight();
            o.addOnFocusEvents();
        };
        this.onmousewheel = function(e) {
            e = e || document.parentWindow.event;
            var delta = 0;

            if (e.wheelDelta) {
                delta = e.wheelDelta/120;
                if (isOpera && window.opera.version() < 9.2) {
                    delta = -delta;
                };
            } else if(e.detail) {
                delta = -e.detail/3;
            };

            var n = o.date.getDate(),
                d = new Date(o.date),
                inc = delta > 0 ? 1 : -1;

            d.setDate(2);
            d.setMonth(d.getMonth() + inc * 1);
            d.setDate(Math.min(n, daysInMonth(d.getMonth(),d.getFullYear())));

            if(o.outOfRange(d)) {
                return stopEvent(e);
            };

            o.date = new Date(d);

            o.updateTable();

            if(o.statusBar) {
                o.updateStatus(printFormattedDate(o.date, o.statusFormat, true));
            };

            return stopEvent(e);
        };
        this.onkeydown = function (e) {
            o.stopTimer();

            if(!o.visible) {
                return false;
            };

            e = e || document.parentWindow.event;

            var kc = e.keyCode ? e.keyCode : e.charCode;

            if(kc == 13) {
                // RETURN/ENTER: close & select the date
                var td = document.getElementById(o.id + "-date-picker-hover");
                if(!td || td.className.search(/cd-([0-9]{8})/) == -1 || td.className.search(/out-of-range|day-disabled/) != -1) {
                    return stopEvent(e);
                };
                o.dateSet = new Date(o.date);
                o.callback("dateset", o.createCbArgObj());
                o.returnFormattedDate();
                o.hide();
                return stopEvent(e);
            } else if(kc == 27) {
                // ESC: close, no date selection, refocus on popup button
                if(!o.staticPos) {
                    o.hide();
                    var butt = document.getElementById('fd-but-' + o.id);
                    if(butt) {
                        setTimeout(function(){try{butt.focus()}catch(err){}},0);
                    };
                    return stopEvent(e);
                };
                return true;
            } else if(kc == 32 || kc == 0) {
                // SPACE: goto todays date
                o.date = new Date();
                o.updateTable();

                return stopEvent(e);
            } else if(kc == 9) {
                // TAB: pass focus - non popup datepickers only
                if(!o.staticPos) {
                    return stopEvent(e);
                };
                return true;
            };
            // TODO - test the need for the IE specific stuff in IE9

            // Internet Explorer fires the keydown event faster than the JavaScript engine can
            // update the interface. The following attempts to fix this.

            if(oldIE) {
                if(new Date().getTime() - o.interval.getTime() < 50) { return stopEvent(e); };
                o.interval = new Date();
            };
            
            // A number key has been pressed so change the first day of the week
            if((kc > 49 && kc < 56) || (kc > 97 && kc < 104)) {
                if(kc > 96) {
                    kc -= (96-48);
                };
                kc -= 49;
                o.firstDayOfWeek = (o.firstDayOfWeek + kc) % 7;
                o.updateTableHeaders();
                return stopEvent(e);
            };

            // If outside any other tested keycodes then let the keystroke pass
            if(kc < 33 || kc > 40) {
                return true;
            };

            var d = new Date(o.date),
                cursorYYYYMM = o.date.getFullYear() + pad(o.date.getMonth()+1),
                tmp;

            // HOME: Set date to first day of current month
            if(kc == 36) {
                d.setDate(1);
            // END: Set date to last day of current month
            } else if(kc == 35) {
                d.setDate(daysInMonth(d.getMonth(),d.getFullYear()));
            // PAGE UP & DOWN
            } else if ( kc == 33 || kc == 34) {
                var inc = (kc == 34) ? 1 : -1;

                // CTRL + PAGE UP/DOWN: Moves to the same date in the previous/next year
                if(e.ctrlKey) {
                    d.setFullYear(d.getFullYear() + inc * 1);
                // PAGE UP/DOWN: Moves to the same date in the previous/next month
                } else {
                    var n = o.date.getDate();

                    d.setDate(2);
                    d.setMonth(d.getMonth() + inc * 1);
                    d.setDate(Math.min(n, daysInMonth(d.getMonth(),d.getFullYear())));
                };
            // LEFT ARROW
            } else if ( kc == 37 ) {
                d = new Date(o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 1, 5, 0, 0);
            // RIGHT ARROW
            } else if ( kc == 39 || kc == 34) {
                d = new Date(o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 1, 5, 0, 0);
            // UP ARROW
            } else if ( kc == 38 ) {
                d = new Date(o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 7, 5, 0, 0);
            // DOWN ARROW
            } else if ( kc == 40 ) {
                d = new Date(o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 7, 5, 0, 0);
            };

            // If the new date is out of range then disallow action
            if(o.outOfRange(d)) {
                return stopEvent(e);
            };

            // Otherwise set the new cursor date
            o.date = d;

            // Update the status bar if needs be
            if(o.statusBar) {
                o.updateStatus(o.getBespokeTitle(o.date.getFullYear(),o.date.getMonth() + 1,o.date.getDate()) || printFormattedDate(o.date, o.statusFormat, true));
            };

            // YYYYMMDD format String of the current cursor date
            var t = String(o.date.getFullYear()) + pad(o.date.getMonth()+1) + pad(o.date.getDate());

            // If we need to redraw the UI completely
            if(e.ctrlKey || (kc == 33 || kc == 34) || t < o.firstDateShown || t > o.lastDateShown) {
                o.updateTable();
                if(oldIE) {
                    o.interval = new Date();
                };
            // Just highlight current cell
            } else {
                // Do we need to disable the today button for this date
                if(!o.noToday) {
                    o.disableTodayButton();
                };
                // Remove focus from the previous cell
                o.removeOldFocus();
                // Show/hide the month & year buttons
                o.showHideButtons(o.date);

                // Locate this TD
                for(var i = 0, td; td = o.tds[i]; i++) {
                    if(td.className.search("cd-" + t) == -1) {
                        continue;
                    };

                    td.id = o.id + "-date-picker-hover";
                    o.setNewFocus();
                    break;
                };
            };

            return stopEvent(e);
        };
        this.onmouseout = function(e) {
            e = e || document.parentWindow.event;
            var p = e.toElement || e.relatedTarget;

            while(p && p != this) {
                try {
                    p = p.parentNode;
                } catch(e) {
                    p = this;
                };
            };

            if(p == this) {
                return false;
            };

            if(o.clickActivated || (o.staticPos && !o.kbEventsAdded)) {
                o.showCursor = false;
                o.removeCursorHighlight();
            };

            if(o.currentTR) {
                o.currentTR.className = "";
                o.currentTR = null;
            };

            if(o.statusBar) {
                o.updateStatus(o.dateSet ? o.getBespokeTitle(o.dateSet.getFullYear(),o.dateSet.getMonth() + 1,o.dateSet.getDate()) || printFormattedDate(o.dateSet, o.statusFormat, true) : getTitleTranslation(9));
            };
        };
        this.onmouseover = function(e) {
            e = e || document.parentWindow.event;
            var el = e.target != null ? e.target : e.srcElement;
            while(el.nodeType != 1) {
                el = el.parentNode;
            };

            if(!el || ! el.tagName) {
                return;
            };

            o.noFocus = true;

            var statusText = getTitleTranslation(9);
            if(o.clickActivated || (o.staticPos && !o.kbEventsAdded)) {
                o.showCursor = false;
            };

            switch (el.tagName.toLowerCase()) {
                case "td":
                    if(el.className.search(/date-picker-unused|out-of-range/) != -1) {
                        statusText = getTitleTranslation(9);
                    } if(el.className.search(/cd-([0-9]{8})/) != -1) {
                        o.showCursor = true;

                        o.stopTimer();
                        var cellDate = el.className.match(/cd-([0-9]{8})/)[1];

                        o.removeOldFocus();
                        el.id = o.id+"-date-picker-hover";
                        o.setNewFocus();

                        o.date = new Date(+cellDate.substr(0,4),+cellDate.substr(4,2)-1,+cellDate.substr(6,2), 5, 0, 0);
                        if(!o.noToday) {
                            o.disableTodayButton();
                        };

                        statusText = o.getBespokeTitle(+cellDate.substr(0,4),+cellDate.substr(4,2),+cellDate.substr(6,2)) || printFormattedDate(o.date, o.statusFormat, true);
                    };
                    break;
                case "th":
                    if(!o.statusBar) {
                        break;
                    };
                    if(el.className.search(/drag-enabled/) != -1) {
                        statusText = getTitleTranslation(10);
                    } else if(el.className.search(/date-picker-week-header/) != -1) {
                        var txt = el.firstChild ? el.firstChild.nodeValue : "";
                        statusText = txt.search(/^(\d+)$/) != -1 ? getTitleTranslation(7, [txt, txt < 3 && o.date.getMonth() == 11 ? getWeeksInYear(o.date.getFullYear()) + 1 : getWeeksInYear(o.date.getFullYear())]) : getTitleTranslation(9);
                    };
                    break;
                case "span":
                    if(!o.statusBar) {
                        break;
                    };

                    if(el.className.search(/day-([0-6])/) != -1) {
                        var day = el.className.match(/day-([0-6])/)[1];
                        statusText = getTitleTranslation(11, [getDayTranslation(day, false)]);
                    } else if(el.className.search(/(drag-enabled|today-but|prev-(year|month)|next-(year|month))/) != -1 && el.className.search(/disabled/) == -1) {
                        statusText = getTitleTranslation({"drag-enabled":10,"prev-year":2,"prev-month":0,"next-year":3,"next-month":1,"today-but":12}[el.className.match(/(drag-enabled|today-but|prev-(year|month)|next-(year|month))/)[0]]);
                    };

                    break;
                default:
                    statusText = "";
            };
            while(el.parentNode) {
                el = el.parentNode;
                if(el.nodeType == 1 && el.tagName.toLowerCase() == "tr") {
                    if(o.currentTR) {
                        if(el == o.currentTR) {
                            break;
                        };
                        o.currentTR.className = "";
                    };
                    el.className = "dp-row-highlight";
                    o.currentTR = el;
                    break;
                };
            };
            if(o.statusBar && statusText) {
                o.updateStatus(statusText);
            };

            if(!o.showCursor) {
                o.removeCursorHighlight();
            };
        };
        this.clearTimer = function() {
            o.stopTimer();
            o.timerInc      = 800;
            o.yearInc       = 0;
            o.monthInc      = 0;
            o.dayInc        = 0;

            removeEvent(document, "mouseup", o.clearTimer);
            if(o.mouseDownElem != null) {
                removeEvent(o.mouseDownElem, "mouseout",  o.clearTimer);
            };
            o.mouseDownElem = null;
        };

        var o = this;

        this.setDateFromInput();

        if(this.staticPos) {
            this.create();
        } else {
            this.createButton();
        };

        (function() {
            var elemID,
                elem,
                elemCnt = 0;

            for(elemID in o.formElements) {
                elem = document.getElementById(elemID);
                if(elem && elem.tagName && elem.tagName.search(/select|input/i) != -1) {
                    addEvent(elem, "change", o.changeHandler);
                    if(elemCnt == 0 && elem.form) {
                        addEvent(elem.form, "reset", o.reset);
                    };
                    elemCnt++;
                };

                if(!elem || elem.disabled == true) {
                    o.disableDatePicker();
                };
            };
        })();

        // We have fully created the datepicker...
        this.fullCreate = true;
    };
    datePicker.prototype.addButtonEvents = function(but) {
        function buttonEvent (e) {
            e = e || window.event;

            var inpId     = this.id.replace('fd-but-',''),
                dpVisible = isVisible(inpId),
                autoFocus = false,
                kbEvent   = datePickers[inpId].kbEvent;

            if(kbEvent) {
                datePickers[inpId].kbEvent = false;
                return;
            };

            if(e.type == "keydown") {
                var kc = e.keyCode != null ? e.keyCode : e.charCode;
                if(kc != 13) return true;
                datePickers[inpId].kbEvent = true;
                if(dpVisible) {
                    removeClass(this, "date-picker-button-active");
                    hideAll();
                    return stopEvent(e);
                };
                autoFocus = true;
            } else {
                datePickers[inpId].kbEvent = false;
            };

            if(!dpVisible) {
                addClass(this, "date-picker-button-active");
                hideAll(inpId);
                showDatePicker(inpId, autoFocus);
            } else {
                removeClass(this, "date-picker-button-active");
                hideAll();
            };

            return stopEvent(e);
        };

        but.onclick     = buttonEvent;
        but.onkeydown   = buttonEvent;

        if(!buttonTabIndex) {
            setTabIndex(but, -1);
        } else {
            setTabIndex(but, this.bespokeTabIndex);
        };
    };

    datePicker.prototype.createButton = function() {

        if(this.staticPos || document.getElementById("fd-but-" + this.id)) {
                return;
        };

        var inp         = document.getElementById(this.id),
            span        = document.createElement('span'),
            but         = document.createElement('a');

        but.href        = "#" + this.id;
        but.className   = "date-picker-control";
        but.title       = getTitleTranslation(5);
        but.id          = "fd-but-" + this.id;

        span.appendChild(document.createTextNode(nbsp));
        but.appendChild(span);

        span = document.createElement('span');
        span.className = "fd-screen-reader";
        span.appendChild(document.createTextNode(but.title));
        but.appendChild(span);

        // Set the ARIA role to be "button"
        setARIARole(but, "button");

        // Set a "haspopup" ARIA property
        setARIAProperty(but, "haspopup", true);

        if(this.positioned && document.getElementById(this.positioned)) {
            document.getElementById(this.positioned).appendChild(but);
        } else {
            inp.parentNode.insertBefore(but, inp.nextSibling);
        };

        this.addButtonEvents(but);

        but = null;

        this.callback("dombuttoncreate", {id:this.id});
    };
    datePicker.prototype.setBespokeTitles = function(titles) {
        this.bespokeTitles = {};
        this.addBespokeTitles(titles);
    };
    datePicker.prototype.addBespokeTitles = function(titles) {
        for(var dt in titles) {
            if(titles.hasOwnProperty(dt)) {
                this.bespokeTitles[dt] = titles[dt];
            };
        };
    };
    datePicker.prototype.getBespokeTitle = function(y,m,d) {
        var dt,
            dtFull,
            yyyymmdd = y + String(pad(m)) + pad(d);

        // Try the datepickers bespoke titles
        for(dt in this.bespokeTitles) {
            if(this.bespokeTitles.hasOwnProperty(dt)) {
                dtFull = String(dt).replace(/^(\*\*\*\*)/, y).replace(/^(\d\d\d\d)(\*\*)/, "$1"+ pad(m));
                if(dtFull == yyyymmdd) {
                    return this.bespokeTitles[dt];
                };
            };
        };

        // Try the generic bespoke titles
        for(dt in bespokeTitles) {
            if(bespokeTitles.hasOwnProperty(dt)) {
                dtFull = String(dt).replace(/^(\*\*\*\*)/, y).replace(/^(\d\d\d\d)(\*\*)/, "$1"+ pad(m));
                if(dtFull == yyyymmdd) {
                    return bespokeTitles[dt];
                };
            };
        };

        return false;
    };
    datePicker.prototype.returnSelectedDate = function() {
        return this.dateSet;
    };
    datePicker.prototype.setRangeLow = function(range) {
        if(String(range).search(rangeRegExp) == -1) {
            if(debug) {
                throw "Invalid value passed to setRangeLow method: " + range;
            };
            return false;
        };
        this.rangeLow = range;
        if(!this.inUpdate) {
            this.setDateFromInput();
        };
    };
    datePicker.prototype.setRangeHigh = function(range) {
        if(String(range).search(rangeRegExp) == -1) {
            if(debug) {
                throw "Invalid value passed to setRangeHigh method: " + range;
            };
            return false;
        };
        this.rangeHigh = range;
        if(!this.inUpdate) {
            this.setDateFromInput();
        };
    };
    datePicker.prototype.setDisabledDays = function(dayArray) {
        if(!dayArray.length || dayArray.join("").search(/^([0|1]{7})$/) == -1) {
            if(debug) {
                throw "Invalid values located when attempting to call setDisabledDays";
            };
            return false;
        };
        this.disabledDays = dayArray;
        if(!this.inUpdate) {
            this.setDateFromInput();
        };
    };

    datePicker.prototype.setDisabledDates = function(dateObj) {
        this.filterDateList(dateObj, true);
    };
    datePicker.prototype.setEnabledDates = function(dateObj) {
        this.filterDateList(dateObj, false);
    };
    datePicker.prototype.addDisabledDates = function(dateObj) {
        this.addDatesToList(dateObj, true);
    };
    datePicker.prototype.addEnabledDates = function(dateObj) {
        this.addDatesToList(dateObj, false);
    };
    datePicker.prototype.filterDateList = function(dateObj, type) {
        var tmpDates = [];
        for(var i = 0; i < this.dateList.length; i++) {
            if(this.dateList[i].type != type) {
                tmpDates.push(this.dateList[i]);
            };
        };

        this.dateList = tmpDates.concat();
        this.addDatesToList(dateObj, type);
    };
    datePicker.prototype.addDatesToList = function(dateObj, areDisabled) {
        var startD;
        for(startD in dateObj) {
            if(String(startD).search(wcDateRegExp) != -1 && (dateObj[startD] == 1 || String(dateObj[startD]).search(wcDateRegExp) != -1)) {

                if(dateObj[startD] != 1 && Number(String(startD).replace(/^\*\*\*\*/, 2010).replace(/^(\d\d\d\d)(\*\*)/, "$1"+"22")) > Number(String(dateObj[startD]).replace(/^\*\*\*\*/, 2010).replace(/^(\d\d\d\d)(\*\*)/, "$1"+"22"))) {
                    continue;
                };

                this.dateList.push({
                    type:!!(areDisabled),
                    rLow:startD,
                    rHigh:dateObj[startD]
                });
            };
        };

        if(!this.inUpdate) {
            this.setDateFromInput();
        };
    };
    datePicker.prototype.setSelectedDate = function(yyyymmdd) {
        if(String(yyyymmdd).search(wcDateRegExp) == -1) {
            return false;
        };

        var match = yyyymmdd.match(rangeRegExp),
            dt    = new Date(+match[2],+match[3]-1,+match[4], 5, 0, 0);

        if(!dt || isNaN(dt) || !this.canDateBeSelected(dt)) {
            return false;
        };

        this.dateSet = new Date(dt);

        if(!this.inUpdate) {
            this.updateTable();
        };

        this.callback("dateset", this.createCbArgObj());
        this.returnFormattedDate();
    };
    datePicker.prototype.checkSelectedDate = function() {
        if(this.dateSet && !this.canDateBeSelected(this.dateSet)) {
            this.dateSet = null;
        };
        if(!this.inUpdate) {
            this.updateTable();
        };
    };
    datePicker.prototype.addOnFocusEvents = function() {
        if(this.kbEventsAdded || this.noFocus) {
            return;
        };

        addEvent(document, "keypress", this.onkeydown);
        addEvent(document, "mousedown", this.onmousedown);

        if(oldIE) {
            removeEvent(document, "keypress", this.onkeydown);
            addEvent(document, "keydown", this.onkeydown);
        };
        if(window.devicePixelRatio) {
            removeEvent(document, "keypress", this.onkeydown);
            addEvent(document, "keydown", this.onkeydown);
        };
        this.noFocus = false;
        this.kbEventsAdded = true;
    };
    datePicker.prototype.removeOnFocusEvents = function() {

        if(!this.kbEventsAdded) {
            return;
        };

        removeEvent(document, "keypress",  this.onkeydown);
        removeEvent(document, "keydown",   this.onkeydown);
        removeEvent(document, "mousedown", this.onmousedown);

        this.kbEventsAdded = false;
    };
    datePicker.prototype.stopTimer = function() {
        this.timerSet = false;
        window.clearTimeout(this.timer);
    };
    datePicker.prototype.setOpacity = function(op) {
        this.div.style.opacity = op/100;
        this.div.style.filter = 'alpha(opacity=' + op + ')';
        this.opacity = op;
    };
    datePicker.prototype.truePosition = function(element) {
        var pos = this.cumulativeOffset(element);
        if(isOpera) {
                return pos;
        };
        var iebody      = (document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body,
            dsocleft    = document.all ? iebody.scrollLeft : window.pageXOffset,
            dsoctop     = document.all ? iebody.scrollTop  : window.pageYOffset,
            posReal     = this.realOffset(element);
        return [pos[0] - posReal[0] + dsocleft, pos[1] - posReal[1] + dsoctop];
    };
    datePicker.prototype.realOffset = function(element) {
        var t = 0, l = 0;
        do {
            t += element.scrollTop  || 0;
            l += element.scrollLeft || 0;
            element = element.parentNode;
        } while(element);
        return [l, t];
    };
    datePicker.prototype.cumulativeOffset = function(element) {
        var t = 0, l = 0;
        do {
            t += element.offsetTop  || 0;
            l += element.offsetLeft || 0;
            element = element.offsetParent;
        } while(element);
        return [l, t];
    };
    datePicker.prototype.outOfRange = function(tmpDate) {

        if(!this.rangeLow && !this.rangeHigh) {
            return false;
        };

        var level = false;

        if(!tmpDate) {
            level   = true;
            tmpDate = this.date;
        };

        var d  = pad(tmpDate.getDate()),
            m  = pad(tmpDate.getMonth() + 1),
            y  = tmpDate.getFullYear(),
            dt = String(y)+String(m)+String(d);

        if(this.rangeLow && +dt < +this.rangeLow) {
            if(!level) {
                return true;
            };
            this.date = new Date(this.rangeLow.substr(0,4), this.rangeLow.substr(4,2)-1, this.rangeLow.substr(6,2), 5, 0, 0);
            return false;
        };
        if(this.rangeHigh && +dt > +this.rangeHigh) {
            if(!level) {
                return true;
            };
            this.date = new Date(this.rangeHigh.substr(0,4), this.rangeHigh.substr(4,2)-1, this.rangeHigh.substr(6,2), 5, 0, 0);
        };
        return false;
    };
    datePicker.prototype.canDateBeSelected = function(tmpDate) {
        if(!tmpDate || isNaN(tmpDate)) {
            return false;
        };

        var d  = pad(tmpDate.getDate()),
            m  = pad(tmpDate.getMonth() + 1),
            y  = tmpDate.getFullYear(),
            dt = y + "" + m + "" + d,
            dd = this.getDateExceptions(y, m),
            wd = tmpDate.getDay() == 0 ? 7 : tmpDate.getDay();

        // If date out of range
        if((this.rangeLow && +dt < +this.rangeLow)
           ||
           (this.rangeHigh && +dt > +this.rangeHigh)
           ||
           // or the date has been explicitly disabled
           ((dt in dd) && dd[dt] == 1)
           ||
           // or the date lies on a disabled weekday and it hasn't been explicitly enabled
           (this.disabledDays[wd-1] && (!(dt in dd) || ((dt in dd) && dd[dt] == 1)))) {
                return false;
        };

        return true;
    };
    datePicker.prototype.updateStatus = function(msg) {
        removeChildNodes(this.statusBar);

        // All this arseing about just for sups in the footer... nice typography and all that...
        if(msg && this.statusFormat.search(/%S/) != -1 && msg.search(/([0-9]{1,2})(st|nd|rd|th)/) != -1) {
            msg = cbSplit(msg.replace(/([0-9]{1,2})(st|nd|rd|th)/, "$1<sup>$2</sup>"), /<sup>|<\/sup>/);
            var dc = document.createDocumentFragment();
            for(var i = 0, nd; nd = msg[i]; i++) {
                if(/^(st|nd|rd|th)$/.test(nd)) {
                    var sup = document.createElement("sup");
                    sup.appendChild(document.createTextNode(nd));
                    dc.appendChild(sup);
                } else {
                    dc.appendChild(document.createTextNode(nd));
                };
            };
            this.statusBar.appendChild(dc);
        } else {
            this.statusBar.appendChild(document.createTextNode(msg ? msg : getTitleTranslation(9)));
        };
    };

    /* Still needs work... */
    datePicker.prototype.setDateFromInput = function() {
        var origDateSet = this.dateSet,
            m           = false,
            but         = this.staticPos ? false : document.getElementById("fd-but-" + this.id),
            e           = localeImport.imported ? [].concat(localeDefaults.fullMonths).concat(localeDefaults.monthAbbrs) : [],
            l           = localeImport.imported ? [].concat(localeImport.fullMonths).concat(localeImport.monthAbbrs) : [],
            eosRegExp   = /(3[01]|[12][0-9]|0?[1-9])(st|nd|rd|th)/i,
            elemCnt     = 0,
            dt          = false,
            allFormats, i, elemID, elem, elemFmt, d, y, elemVal, dp, mp, yp;

        // Reset the internal dateSet variable
        this.dateSet = null;

        // Try and get a year, month and day from the form element values
        for(elemID in this.formElements) {

            elem = document.getElementById(elemID);

            if(!elem) {
                return false;
            };

            elemCnt++;

            elemVal = String(elem.value);

            if(!elemVal) {
                continue;
            };

            elemFmt     = this.formElements[elemID];
            allFormats  = [elemFmt];
            dt          = false;
            dp          = elemFmt.search(dPartsRegExp) != -1;
            mp          = elemFmt.search(mPartsRegExp) != -1;
            yp          = elemFmt.search(yPartsRegExp) != -1;

            // Try to assign some default date formats to throw at
            // the (simple) regExp parser for single date parts.
            if(!(dp && mp && yp)) {
                if(yp && !(mp || dp)) {
                    allFormats = allFormats.concat([
                        "%Y",
                        "%y"
                        ]);
                } else if(mp && !(yp || dp)) {
                    allFormats = allFormats.concat([
                        "%M",
                        "%F",
                        "%m",
                        "%n"
                        ]);
                } else if(dp && !(yp || mp)) {
                    allFormats = allFormats.concat([
                        "%d%",
                        "%j"
                        ]);
                };
            };

            for(i = 0; i < allFormats.length; i++) {
                dt = parseDateString(elemVal, allFormats[i]);

                if(dt) {
                    if(!d && dp && dt.d) {
                        d = dt.d;
                    };
                    if(m === false && mp && dt.m) {
                        m = dt.m;
                    };
                    if(!y && yp && dt.y) {
                        y = dt.y;
                    };
                };

                if(((dp && d) || !dp)
                   &&
                   ((mp && !m === false) || !mp)
                   &&
                   ((yp && y) || !yp)) {
                    break;
                };
            };
        };

        // Last ditch attempt at date parsing for single inputs that
        // represent the day, month and year parts of the date format.
        // I'm - thankfully - passing this responsibility off to the browser.
        // Date parsing in js sucks but the browsers' in-built Date.parse method
        // will inevitably be better than anything I would hazard to write.
        // Date.parse is implementation dependant though so don't expect
        // consistency, rhyme or reason.
        if(dateParseFallback && (!d || m === false || !y) && dp && mp && yp && elemCnt == 1 && elemVal) {
            // If locale imported then replace month names with English
            // counterparts if necessary
            if(localeImport.imported) {
                for(i = 0; i < l.length; i++) {
                    elemVal = elemVal.replace(new RegExp(l[i], "i"), e[i]);
                };
            };

            // Remove English ordinal suffix
            if(elemVal.search(eosRegExp) != -1) {
                elemVal = elemVal.replace(eosRegExp, elemVal.match(eosRegExp)[1]);
            };

            // Older browsers have problems with dashes so we replace with
            // slashes which appear to be supported by all and then try to use
            // the in-built Date Object to parse a valid date
            dt = new Date(elemVal.replace(new RegExp("\-", "g"), "/"));

            if(dt && !isNaN(dt)) {
                d = dt.getDate();
                m = dt.getMonth() + 1;
                y = dt.getFullYear();
            };
        };

        dt = false;

        if(d && !(m === false) && y) {
            if(+d > daysInMonth(+m - 1, +y)) {
                d  = daysInMonth(+m - 1, +y);
                dt = false;
            } else {
                dt = new Date(+y, +m - 1, +d, 5, 0, 0);
            };
        };

        if(but) {
            removeClass(but, "date-picker-dateval");
        };

        if(!dt || isNaN(dt)) {
            var newDate = new Date(y || new Date().getFullYear(), !(m === false) ? m - 1 : new Date().getMonth(), 1, 5, 0, 0);
            this.date = this.cursorDate ? new Date(+this.cursorDate.substr(0,4), +this.cursorDate.substr(4,2) - 1, +this.cursorDate.substr(6,2), 5, 0, 0) : new Date(newDate.getFullYear(), newDate.getMonth(), Math.min(+d || new Date().getDate(), daysInMonth(newDate.getMonth(), newDate.getFullYear())), 5, 0, 0);

            this.outOfRange();
            if(this.fullCreate) {
                this.updateTable();
            };
            return;
        };

        dt.setHours(5);
        this.date = new Date(dt);
        this.outOfRange();

        if(dt.getTime() == this.date.getTime() && this.canDateBeSelected(this.date)) {
            this.dateSet = new Date(this.date);
            if(but) {
                addClass(but, "date-picker-dateval");
            };
            this.returnFormattedDate(true);
        };

        if(this.fullCreate) {
            this.updateTable();
        };
    };
    datePicker.prototype.setSelectIndex = function(elem, indx) {
        for(var opt = elem.options.length-1; opt >= 0; opt--) {
            if(elem.options[opt].value == indx) {
                elem.selectedIndex = opt;
                return;
            };
        };
    };
    datePicker.prototype.returnFormattedDate = function(noFocus) {
        var but = this.staticPos ? false : document.getElementById("fd-but-" + this.id);

        if(!this.dateSet) {
            if(but) {
                removeClass(but, "date-picker-dateval");
            };
            return;
        };

        var d   = pad(this.dateSet.getDate()),
            m   = pad(this.dateSet.getMonth() + 1),
            y   = this.dateSet.getFullYear(),
            el  = false,
            elemID, elem, elemFmt, fmtDate;

        noFocus = !!noFocus;

        for(elemID in this.formElements) {
            elem    = document.getElementById(elemID);

            if(!elem) {
                return;
            };

            if(!el) {
                el = elem;
            };

            elemFmt = this.formElements[elemID];

            fmtDate = printFormattedDate(this.dateSet, elemFmt, returnLocaleDate);
            if(elem.tagName.toLowerCase() == "input") {
                elem.value = fmtDate;
            } else {
                this.setSelectIndex(elem, fmtDate);
            };
        };

        if(this.staticPos) {
            this.noFocus = true;
            this.updateTable();
            this.noFocus = false;
        } else if(but) {
            addClass(but, "date-picker-dateval");
        };

        if(this.fullCreate) {
            if(el.type && el.type != "hidden" && !noFocus) {
                try{
                    el.focus();
                } catch(err) {};
            };
        };

        if(!noFocus) {
            this.callback("datereturned", this.createCbArgObj());
        };
    };
    datePicker.prototype.disableDatePicker = function() {
        if(this.disabled) {
            return;
        };

        if(this.staticPos) {
            this.removeOnFocusEvents();
            this.removeOldFocus();
            this.noFocus = true;
            addClass(this.div, "date-picker-disabled");
            this.table.onmouseover = this.table.onclick = this.table.onmouseout = this.table.onmousedown = null;
            removeEvent(document, "mousedown", this.onmousedown);
            removeEvent(document, "mouseup",   this.clearTimer);
        } else {
            if(this.visible) {
                this.hide();
            };
            var but = document.getElementById("fd-but-" + this.id);
            if(but) {
                addClass(but, "date-picker-control-disabled");
                // Set a "disabled" ARIA state
                setARIAProperty(but, "disabled", true);
                but.onkeydown = but.onclick = function() {
                    return false;
                };
                setTabIndex(but, -1);
                but.title = "";
            }
        };

        clearTimeout(this.timer);
        this.disabled = true;
    };
    datePicker.prototype.enableDatePicker = function() {
        if(!this.disabled) {
            return;
        };

        if(this.staticPos) {
            this.removeOldFocus();

            if(this.dateSet != null) {
                this.date = this.dateSet;
            };
            this.noFocus = true;
            this.updateTable();
            removeClass(this.div, "date-picker-disabled");
            this.disabled = false;
            this.table.onmouseover = this.onmouseover;
            this.table.onmouseout  = this.onmouseout;
            this.table.onclick     = this.onclick;
            this.table.onmousedown = this.onmousedown;
        } else {
            var but = document.getElementById("fd-but-" + this.id);
            if(but) {
                removeClass(but, "date-picker-control-disabled");
                // Reset the "disabled" ARIA state
                setARIAProperty(but, "disabled", false);
                this.addButtonEvents(but);
                but.title = getTitleTranslation(5);
            };
        };

        this.disabled = false;
    };
    datePicker.prototype.disableTodayButton = function() {
        var today = new Date();
        removeClass(this.butToday, "fd-disabled");
        if(this.outOfRange(today)
           ||
           (this.date.getDate() == today.getDate()
            &&
            this.date.getMonth() == today.getMonth()
            &&
            this.date.getFullYear() == today.getFullYear())
            ) {
            addClass(this.butToday, "fd-disabled");
        };
    };
    datePicker.prototype.updateTableHeaders = function() {
        var colspanTotal = this.showWeeks ? 8 : 7,
            colOffset    = this.showWeeks ? 1 : 0,
            d, but;

        for(var col = colOffset; col < colspanTotal; col++ ) {
            d = (this.firstDayOfWeek + (col - colOffset)) % 7;
            this.ths[col].title = getDayTranslation(d, false);

            if(col > colOffset) {
                but = this.ths[col].getElementsByTagName("span")[0];
                removeChildNodes(but);

                but.appendChild(document.createTextNode(getDayTranslation(d, true)));
                but.title = this.ths[col].title;
                but = null;
            } else {
                removeChildNodes(this.ths[col]);
                this.ths[col].appendChild(document.createTextNode(getDayTranslation(d, true)));
            };

            removeClass(this.ths[col], "date-picker-highlight");
            if(this.highlightDays[d]) {
                addClass(this.ths[col], "date-picker-highlight");
            };
        };

        if(this.created) {
            this.updateTable();
        };
    };
    datePicker.prototype.callback = function(type, args) {
        if(!type || !(type in this.callbacks)) {
            return false;
        };

        var ret = false,
            func;

        for(func = 0; func < this.callbacks[type].length; func++) {
            ret = this.callbacks[type][func](args || this.id);
        };

        return ret;
    };
    datePicker.prototype.showHideButtons = function(tmpDate) {
        if(!this.butPrevYear) {
            return;
        };

        var tdm = tmpDate.getMonth(),
            tdy = tmpDate.getFullYear();

        if(this.outOfRange(new Date((tdy - 1), tdm, daysInMonth(+tdm, tdy-1), 5, 0, 0))) {
            addClass(this.butPrevYear, "fd-disabled");
            if(this.yearInc == -1) {
                this.stopTimer();
            };
        } else {
            removeClass(this.butPrevYear, "fd-disabled");
        };

        if(this.outOfRange(new Date(tdy, (+tdm - 1), daysInMonth(+tdm-1, tdy), 5, 0, 0))) {
            addClass(this.butPrevMonth, "fd-disabled");
            if(this.monthInc == -1) {
                this.stopTimer();
            };
        } else {
            removeClass(this.butPrevMonth, "fd-disabled");
        };

        if(this.outOfRange(new Date((tdy + 1), +tdm, 1, 5, 0, 0))) {
            addClass(this.butNextYear, "fd-disabled");
            if(this.yearInc == 1) {
                this.stopTimer();
            };
        } else {
            removeClass(this.butNextYear, "fd-disabled");
        };

        if(this.outOfRange(new Date(tdy, +tdm + 1, 1, 5, 0, 0))) {
            addClass(this.butNextMonth, "fd-disabled");
            if(this.monthInc == 1) {
                this.stopTimer();
            };
        } else {
            removeClass(this.butNextMonth, "fd-disabled");
        };
    };
    var localeDefaults = {
        fullMonths:["January","February","March","April","May","June","July","August","September","October","November","December"],
        monthAbbrs:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],
        fullDays:  ["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],
        dayAbbrs:  ["Mon","Tue","Wed","Thu","Fri","Sat","Sun"],
        titles:    ["Previous month","Next month","Previous year","Next year", "Today", "Show Calendar", "wk", "Week [[%0%]] of [[%1%]]", "Week", "Select a date", "Click \u0026 Drag to move", "Display \u201C[[%0%]]\u201D first", "Go to Today\u2019s date", "Disabled date :"],
        rtl:       false,
        firstDayOfWeek:0,
        imported:  false
    };
    var joinNodeLists = function() {
        if(!arguments.length) {
            return [];
        };
        var nodeList = [];
        for (var i = 0; i < arguments.length; i++) {
            for (var j = 0, item; item = arguments[i][j]; j++) {
                nodeList[nodeList.length] = item;
            };
        };
        return nodeList;
    };
    var cleanUp = function() {
        var dp, fe;
        for(dp in datePickers) {
            for(fe in datePickers[dp].formElements) {
                if(!document.getElementById(fe)) {
                    datePickers[dp].destroy();
                    datePickers[dp] = null;
                    delete datePickers[dp];
                    break;
                };
            };
        };
    };
    var hideAll = function(exception) {
        var dp;
        for(dp in datePickers) {
            if(!datePickers[dp].created || (exception && exception == datePickers[dp].id)) {
                continue;
            };
            datePickers[dp].hide();
        };
    };
    var hideDatePicker = function(inpID) {
        if(inpID in datePickers) {
            if(!datePickers[inpID].created || datePickers[inpID].staticPos) {
                return;
            };
            datePickers[inpID].hide();
        };
    };
    var showDatePicker = function(inpID, autoFocus) {
        if(!(inpID in datePickers)) {
            return false;
        };

        datePickers[inpID].clickActivated = !!!autoFocus;
        datePickers[inpID].show(autoFocus);
        return true;
    };
    var destroy = function(e) {
        e = e || window.event;

        // Don't remove datepickers if it's a pagehide/pagecache event (webkit et al)
        if(e.persisted) {
            return;
        };

        var dp;
        for(dp in datePickers) {
            datePickers[dp].destroy();
            datePickers[dp] = null;
            delete datePickers[dp];
        };
        datePickers = null;

        removeEvent(window, 'unload', datePickerController.destroy);
    };
    var destroySingleDatePicker = function(id) {
        if(id && (id in datePickers)) {
            datePickers[id].destroy();
            datePickers[id] = null;
            delete datePickers[id];
        };
    };
    var getTitleTranslation = function(num, replacements) {
        replacements = replacements || [];
        if(localeImport.titles.length > num) {
             var txt = localeImport.titles[num];
             if(replacements && replacements.length) {
                for(var i = 0; i < replacements.length; i++) {
                    txt = txt.replace("[[%" + i + "%]]", replacements[i]);
                };
             };
             return txt.replace(/[[%(\d)%]]/g,"");
        };
        return "";
    };
    var getDayTranslation = function(day, abbreviation) {
        var titles = localeImport[abbreviation ? "dayAbbrs" : "fullDays"];
        return titles.length && titles.length > day ? titles[day] : "";
    };
    var getMonthTranslation = function(month, abbreviation) {
        var titles = localeImport[abbreviation ? "monthAbbrs" : "fullMonths"];
        return titles.length && titles.length > month ? titles[month] : "";
    };
    var daysInMonth = function(nMonth, nYear) {
        nMonth = (nMonth + 12) % 12;
        return (((0 == (nYear%4)) && ((0 != (nYear%100)) || (0 == (nYear%400)))) && nMonth == 1) ? 29: [31,28,31,30,31,30,31,31,30,31,30,31][nMonth];
    };
    var getWeeksInYear = function(Y) {
        if(Y in weeksInYearCache) {
            return weeksInYearCache[Y];
        };

        var X1 = new Date(Y, 0, 4),
            X2 = new Date(Y, 11, 28);

        X1.setDate(X1.getDate() - (6 + X1.getDay()) % 7);
        X2.setDate(X2.getDate() + (7 - X2.getDay()) % 7);

        weeksInYearCache[Y] = Math.round((X2 - X1) / 604800000);

        return weeksInYearCache[Y];
    };

    var getWeekNumber = function(y,m,d) {
        var d   = new Date(y, m, d, 0, 0, 0),
            DoW = d.getDay(),
            ms;

        d.setDate(d.getDate() - (DoW + 6) % 7 + 3);
        ms = d.valueOf();
        d.setMonth(0);
        d.setDate(4);
        return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
    };

    var printFormattedDate = function(date, fmt, useImportedLocale) {
        if(!date || isNaN(date)) {
            return fmt;
        };

        var d           = date.getDate(),
            D           = date.getDay(),
            m           = date.getMonth(),
            y           = date.getFullYear(),
            locale      = useImportedLocale ? localeImport : localeDefaults,
            fmtParts    = String(fmt).split(formatSplitRegExp),
            fmtParts    = cbSplit(fmt, formatSplitRegExp),
            fmtNewParts = [],
            flags       = {
                        "d":pad(d),
                        "D":locale.dayAbbrs[D == 0 ? 6 : D - 1],
                        "l":locale.fullDays[D == 0 ? 6 : D - 1],
                        "j":d,
                        "N":D == 0 ? 7 : D,
                        "w":D,
                        "W":getWeekNumber(y,m,d),
                        "M":locale.monthAbbrs[m],
                        "F":locale.fullMonths[m],
                        "m":pad(m + 1),
                        "n":m + 1,
                        "t":daysInMonth(m, y),
                        "y":String(y).substr(2,2),
                        "Y":y,
                        "S":["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
                        },
            len         = fmtParts.length,
            currFlag, f;

        for(f = 0; f < len; f++) {
            currFlag = fmtParts[f];
            fmtNewParts.push(currFlag in flags ? flags[currFlag] : currFlag);
        };

        return fmtNewParts.join("");
    };
    var parseDateString = function(str, fmt) {
        var d     = false,
            m     = false,
            y     = false,
            dp    = fmt.search(dPartsRegExp) != -1 ? 1 : 0,
            mp    = fmt.search(mPartsRegExp) != -1 ? 1 : 0,
            yp    = fmt.search(yPartsRegExp) != -1 ? 1 : 0,
            now   = new Date(),
            parts = cbSplit(fmt, formatSplitRegExp),
            str   = "" + str,
            len   = parts.length,
            pt, part, l;

        loopLabel:
        for(pt = 0; pt < len; pt++) {
            part = parts[pt];

            if(part === "") {
                continue loopLabel;
            };

            if(str.length == 0) {
                break;
            };

            switch(part) {
                // Dividers - be easy on them all i.e. accept them all when parsing...
                case "/":
                case ".":
                case " ":
                case "-":
                case ",":
                case ":":
                    str = str.substr(1);
                    break;
                // DAY
                case "d":
                    // Day of the month, 2 digits with leading zeros (01 - 31)
                    if(str.search(/^(3[01]|[12][0-9]|0[1-9])/) != -1) {
                        d = str.substr(0,2);
                        str = str.substr(2);
                        break;
                    } else {
                        return false;
                    };
                case "j": // Day of the month without leading zeros (1 - 31)
                    if(str.search(/^(3[01]|[12][0-9]|[1-9])/) != -1) {
                        d = +str.match(/^(3[01]|[12][0-9]|[1-9])/)[0];
                        str = str.substr(str.match(/^(3[01]|[12][0-9]|[1-9])/)[0].length);
                        break;
                    } else {
                        return false;
                    };
                case "D": // A textual representation of a day, three letters (Mon - Sun)
                case "l": // A full textual representation of the day of the week (Monday - Sunday)
                          // Accept English & imported locales and both modifiers
                    l = localeDefaults.fullDays.concat(localeDefaults.dayAbbrs);
                    if(localeImport.imported) {
                        l = l.concat(localeImport.fullDays).concat(localeImport.dayAbbrs);
                    };

                    for(var i = 0; i < l.length; i++) {
                        if(new RegExp("^" + l[i], "i").test(str)) {
                            str = str.substr(l[i].length);
                            continue loopLabel;
                        };
                    };

                    break;
                case "N": // ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday)
                case "w": // Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday)
                    if(str.search(part == "N" ? /^([1-7])/ : /^([0-6])/) != -1) {
                        str = str.substr(1);
                    };
                    break;
                case "S": // English ordinal suffix for the day of the month, 2 characters: st, nd, rd or th
                    if(str.search(/^(st|nd|rd|th)/i) != -1) {
                        str = str.substr(2);
                    };
                    break;
                // WEEK
                case "W": // ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0): 1 - 53
                    if(str.search(/^([1-9]|[1234[0-9]|5[0-3])/) != -1) {
                        str = str.substr(str.match(/^([1-9]|[1234[0-9]|5[0-3])/)[0].length);
                    };
                    break;
                // MONTH
                case "M": // A short textual representation of a month, three letters
                case "F": // A full textual representation of a month, such as January or March
                          // Accept English & imported locales and both modifiers
                    l = localeDefaults.fullMonths.concat(localeDefaults.monthAbbrs);
                    if(localeImport.imported) {
                        l = l.concat(localeImport.fullMonths).concat(localeImport.monthAbbrs);
                    };
                    for(var i = 0; i < l.length; i++) {
                        if(str.search(new RegExp("^" + l[i],"i")) != -1) {
                            str = str.substr(l[i].length);
                            m = ((i + 12) % 12) + 1;
                            continue loopLabel;
                        };
                    };
                    return false;
                case "m": // Numeric representation of a month, with leading zeros
                    l = /^(1[012]|0[1-9])/;
                    if(str.search(l) != -1) {
                        m = +str.substr(0, 2);
                        str = str.substr(2);
                        break;
                    } else {
                        return false;
                    };
                case "n": // Numeric representation of a month, without leading zeros
                          // Accept either when parsing
                    l = /^(1[012]|[1-9])/;
                    if(str.search(l) != -1) {
                        m = +str.match(l)[0];
                        str = str.substr(str.match(l)[0].length);
                        break;
                    } else {
                        return false;
                    };
                case "t": // Number of days in the given month: 28 through 31
                    if(str.search(/2[89]|3[01]/) != -1) {
                        str = str.substr(2);
                        break;
                    } else {
                        return false;
                    };
                // YEAR

                case "Y": // A full numeric representation of a year, 4 digits
                    if(str.search(/^(\d{4})/) != -1) {
                        y = str.substr(0,4);
                        str = str.substr(4);
                        break;
                    } else {
                        return false;
                    };
                case "y": // A two digit representation of a year
                    if(str.search(/^(0[0-9]|[1-9][0-9])/) != -1) {
                        y = str.substr(0,2);
                        y = +y < 50 ? '20' + String(y) : '19' + String(y);
                        str = str.substr(2);
                        break;
                    } else {
                        return false;
                    };
                default:
                   str = str.substr(part.length);
            };
        };

        if((dp && d === false) || (mp && m === false) || (yp && y === false)) {
            return false;
        };

        if(dp && mp && yp && +d > daysInMonth(+m - 1, +y)) {
            return false;
        };

        return {
            "d":dp ? +d : false,
            "m":mp ? +m : false,
            "y":yp ? +y : false
            };
    };

    var findLabelForElement = function(element) {
        var label;
        if(element.parentNode && element.parentNode.tagName.toLowerCase() == "label") {
            label = element.parentNode;
        } else {
            var labelList = document.getElementsByTagName('label');
            // loop through label array attempting to match each 'for' attribute to the id of the current element
            for(var lbl = 0; lbl < labelList.length; lbl++) {
                // Internet Explorer requires the htmlFor test
                if((labelList[lbl]['htmlFor'] && labelList[lbl]['htmlFor'] == element.id) || (labelList[lbl].getAttribute('for') == element.id)) {
                    label = labelList[lbl];
                    break;
                };
            };
        };

        if(label && !label.id && element.id) {
            label.id = element.id + "_label";
        };

        return label;
    };
    var updateLanguage = function() {
        if(typeof(window.fdLocale) == "object" ) {
            localeImport = {
                titles          : fdLocale.titles,
                fullMonths      : fdLocale.fullMonths,
                monthAbbrs      : fdLocale.monthAbbrs,
                fullDays        : fdLocale.fullDays,
                dayAbbrs        : fdLocale.dayAbbrs,
                firstDayOfWeek  : ("firstDayOfWeek" in fdLocale) ? fdLocale.firstDayOfWeek : 0,
                rtl             : ("rtl" in fdLocale) ? !!(fdLocale.rtl) : false,
                imported        : true
            };
        } else if(!localeImport) {
            localeImport = localeDefaults;
        };
    };
    var loadLanguage = function() {
        updateLanguage();
        var dp;
        for(dp in datePickers) {
            if(!datePickers[dp].created) {
                continue;
            };
            datePickers[dp].updateTable();
        };
    };
    var checkElem = function(elem) {
        return !(!elem || !elem.tagName || !((elem.tagName.toLowerCase() == "input" && (elem.type == "text" || elem.type == "hidden")) || elem.tagName.toLowerCase() == "select"));
    };
    var addDatePicker = function(options) {
        updateLanguage();

        if(cssAnimations === null) {
            cssAnimations = testCSSAnimationSupport();
        };

        if(!options.formElements) {
            if(debug) {
                throw "No form elements stipulated within initialisation parameters";
            };
            return;
        };

        options.id            = (options.id && (options.id in options.formElements)) ? options.id : "";
        options.enabledDates  = false;
        options.disabledDates = false;

        var partsFound  = {d:0,m:0,y:0},
            defaultVals = {},
            cursorDate  = false,
            myMin       = 0,
            myMax       = 0,
            fmt, opts, dtPartStr, elemID, elem, dt, i;

        for(elemID in options.formElements) {
            elem = document.getElementById(elemID);

            if(!checkElem(elem)) {
                if(debug) {
                    throw "Element '" + elemID + "' is of the wrong type or does not exist within the DOM";
                };
                return false;
            };

            if(!(options.formElements[elemID].match(formatTestRegExp))) {
                if(debug) {
                    throw "Element '" + elemID + "' has a date format that does not contain either a day (d|j), month (m|F|n) or year (y|Y) part: " + options.formElements[elemID];
                };
                return false;
            };

            if(!options.id) {
                options.id = elemID;
            };

            defaultVals[elemID] = elem.tagName == "select" ? elem.selectedIndex || 0 : elem.defaultValue;

            fmt             = {
                "value":options.formElements[elemID]
            };

            fmt.d = fmt.value.search(dPartsRegExp) != -1;
            fmt.m = fmt.value.search(mPartsRegExp) != -1;
            fmt.y = fmt.value.search(yPartsRegExp) != -1;

            if(fmt.d) {
                partsFound.d++;
            };
            if(fmt.m) {
                partsFound.m++;
            };
            if(fmt.y) {
                partsFound.y++;
            };

            if(elem.tagName.toLowerCase() == "select") {
                // If we have a selectList, then try to parse the higher and lower limits
                var selOptions = elem.options;

                // Check the yyyymmdd
                if(fmt.d && fmt.m && fmt.y) {
                    cursorDate = false;

                    // Dynamically calculate the available "enabled" dates
                    options.enabledDates = {};
                    options.disabledDates = {};

                    for(i = 0; i < selOptions.length; i++) {
                        dt = parseDateString(selOptions[i].value, fmt.value);

                        if(dt && dt.y && !(dt.m === false) && dt.d) {

                            dtPartStr = dt.y + "" + pad(dt.m) + pad(dt.d);
                            if(!cursorDate) {
                                cursorDate = dtPartStr;
                            };

                            options.enabledDates[dtPartStr] = 1;

                            if(!myMin || +dtPartStr < +myMin) {
                                myMin = dtPartStr;
                            };

                            if(!myMax || +dtPartStr > +myMax) {
                                myMax = dtPartStr;
                            };
                        };
                    };

                    // Automatically set cursor to first available date (if no bespoke cursorDate was set);
                    if(!options.cursorDate && cursorDate) {
                        options.cursorDate = cursorDate;
                    };

                    options.disabledDates[myMin] = myMax;

                } else if(fmt.m && fmt.y) {

                    for(i = 0; i < selOptions.length; i++) {
                        dt = parseDateString(selOptions[i].value, fmt.value);
                        if(dt.y && !(dt.m === false)) {
                            dtPartStr = dt.y + "" + pad(dt.m);

                            if(!myMin || +dtPartStr < +myMin) {
                                myMin = dtPartStr;
                            };

                            if(!myMax || +dtPartStr > +myMax) {
                                myMax = dtPartStr;
                            };
                        };
                    };

                    // Round the min & max values to be used as rangeLow & rangeHigh
                    myMin += "" + "01";
                    myMax += "" + daysInMonth(+myMax.substr(4,2) - 1, +myMax.substr(0,4));

                } else if(fmt.y) {
                    for(i = 0; i < selOptions.length; i++) {
                        dt = parseDateString(selOptions[i].value, fmt.value);
                        if(dt.y) {
                            if(!myMin || +dt.y < +myMin) {
                                myMin = dt.y;
                            };

                            if(!myMax || +dt.y > +myMax) {
                                myMax = dt.y;
                            };
                        };
                    };

                    // Round the min & max values to be used as rangeLow & rangeHigh
                    myMin += "" + "0101";
                    myMax += "" + "1231";
                };
            };
        };

        if(!(partsFound.d == 1 && partsFound.m == 1 && partsFound.y == 1)) {
            if(debug) {
                throw "Could not find all of the required date parts within the date format for element: " + elem.id;
            };
            return false;
        };

        options.rangeLow = dateToYYYYMMDD(options.rangeLow || false);
        options.rangeHigh = dateToYYYYMMDD(options.rangeHigh || false);
        options.cursorDate = dateToYYYYMMDD(options.cursorDate || false);
        if(myMin && (!options.rangeLow  || (+options.rangeLow < +myMin))) {
            options.rangeLow = myMin;
        };
        if(myMax && (!options.rangeHigh || (+options.rangeHigh > +myMax))) {
            options.rangeHigh = myMax;
        };

        opts = {
            formElements:options.formElements,
            // default values
            defaultVals:defaultVals,
            // Form element id
            id:options.id,
            // Non popup datepicker required
            staticPos:!!(options.staticPos || options.nopopup),
            // Position static datepicker or popup datepicker's button
            positioned:options.positioned && document.getElementById(options.positioned) ? options.positioned : "",
            // Ranges stipulated in YYYYMMDD format
            rangeLow:options.rangeLow && String(options.rangeLow).search(rangeRegExp) != -1 ? options.rangeLow : "",
            rangeHigh:options.rangeHigh && String(options.rangeHigh).search(rangeRegExp) != -1 ? options.rangeHigh : "",
            // Status bar format
            statusFormat:options.statusFormat || statusFormat,
            // No fade in/out effect
            noFadeEffect:!!(options.staticPos) ? true : !!(options.noFadeEffect),
            // No drag functionality
            dragDisabled:nodrag || !!(options.staticPos) ? true : !!(options.dragDisabled),
            // Bespoke tabindex for this datePicker (or its activation button)
            bespokeTabIndex:options.bespokeTabindex && typeof options.bespokeTabindex == 'number' ? parseInt(options.bespokeTabindex, 10) : 0,
            // Bespoke titles
            bespokeTitles:options.bespokeTitles || (bespokeTitles || {}),
            // Final opacity
            finalOpacity:options.finalOpacity && typeof options.finalOpacity == 'number' && (options.finalOpacity > 20 && options.finalOpacity <= 100) ? parseInt(+options.finalOpacity, 10) : (!!(options.staticPos) ? 100 : finalOpacity),
            // Do we hide the form elements on datepicker creation
            hideInput:!!(options.hideInput),
            // Do we hide the "today" button
            noToday:!!(options.noTodayButton),
            // Do we show week numbers
            showWeeks:!!(options.showWeeks),
            // Do we fill the entire grid with dates
            fillGrid:!!(options.fillGrid),
            // Do we constrain selection of dates outside the current month
            constrainSelection:"constrainSelection" in options ? !!(options.constrainSelection) : true,
            // The date to set the initial cursor to
            cursorDate:options.cursorDate && String(options.cursorDate).search(rangeRegExp) != -1 ? options.cursorDate : "",
            // Locate label to set the ARIA labelled-by property
            labelledBy:findLabelForElement(elem),
            // Have we been passed a describedBy to set the ARIA decribed-by property...
            describedBy:(options.describedBy && document.getElementById(options.describedBy)) ? options.describedBy : describedBy && document.getElementById(describedBy) ? describedBy : "",
            // Callback functions
            callbacks:options.callbackFunctions ? options.callbackFunctions : {},
            // Days of the week to highlight (normally the weekend)
            highlightDays:options.highlightDays && options.highlightDays.length && options.highlightDays.length == 7 ? options.highlightDays : [0,0,0,0,0,1,1],
            // Days of the week to disable
            disabledDays:options.disabledDays && options.disabledDays.length && options.disabledDays.length == 7 ? options.disabledDays : [0,0,0,0,0,0,0],
            // A bespoke class to give the datepicker
            bespokeClass:options.bespokeClass ? " " + options.bespokeClass : ""
        };

        datePickers[options.id] = new datePicker(opts);

        if("disabledDates" in options && !(options.disabledDates === false)) {
            datePickers[options.id].setDisabledDates(options.disabledDates)
        };

        if("enabledDates" in options && !(options.enabledDates === false)) {
            datePickers[options.id].setEnabledDates(options.enabledDates)
        };

        datePickers[options.id].callback("create", datePickers[options.id].createCbArgObj());
    };

    // Used by the button to dictate whether to open or close the datePicker
    var isVisible = function(id) {
        return (!id || !(id in datePickers)) ? false : datePickers[id].visible;
    };

    var updateStatic = function() {
        var dp;
        for(dp in datePickers) {
            if(datePickers.hasOwnProperty(dp)) {
                datePickers[dp].changeHandler();
            };
        };
    };

    var testCSSAnimationSupport = function() {
        var domPrefixes     = ["Webkit","Moz", "ms", "O"],
            elm             = document.createElement('div'),
            transitions     = ["WebkitTransition", "transition", "OTransition", "MozTransition", "msTransition"],
            t;
        
        for(t = 0; t < transitions.length; t++) {
            if(transitions[t] in elm.style) {
                transitionEnd = transitions[t] == "webkitTransition" || transitions[t] == "OTransition" ? transitions[t] + "End" : "transitionend"
                break;
            }
        }

        if(!transitionEnd) {
            return false;
        };

        if(elm.style.animationName) { return true; }

        for( var i = 0; i < domPrefixes.length; i++ ) {
            if(elm.style[domPrefixes[i] + "AnimationName"] !== undefined) {
                return true;
            };
        };

        return false;
    };

    addEvent(window, 'unload', destroy);
    addEvent(window, "load", function() { setTimeout(updateStatic, 0); });

    // Add oldie class if needed for IE < 9
    if(oldIE) {
        addClass(document.documentElement, "oldie");
    };

    return {
        // General event functions...
        addEvent:               function(obj, type, fn) { return addEvent(obj, type, fn); },
        removeEvent:            function(obj, type, fn) { return removeEvent(obj, type, fn); },
        stopEvent:              function(e) { return stopEvent(e); },
        // Show a single popup datepicker
        show:                   function(inpID) { return showDatePicker(inpID, false); },
        // Hide a popup datepicker
        hide:                   function(inpID) { return hideDatePicker(inpID); },
        // Create a new datepicker
        createDatePicker:       function(options) { addDatePicker(options); },
        // Destroy a datepicker (remove events and DOM nodes)
        destroyDatePicker:      function(inpID) { destroySingleDatePicker(inpID); },
        // Check datePicker form elements exist, if not, destroy the datepicker
        cleanUp:                function() { cleanUp(); },
        // Pretty print a date object according to the format passed in
        printFormattedDate:     function(dt, fmt, useImportedLocale) { return printFormattedDate(dt, fmt, useImportedLocale); },
        // Update the internal date using the form element value
        setDateFromInput:       function(inpID) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].setDateFromInput(); },
        // Set low and high date ranges
        setRangeLow:            function(inpID, yyyymmdd) { if(!inpID || !(inpID in datePickers)) { return false; }; datePickers[inpID].setRangeLow(dateToYYYYMMDD(yyyymmdd)); },
        setRangeHigh:           function(inpID, yyyymmdd) { if(!inpID || !(inpID in datePickers)) { return false; }; datePickers[inpID].setRangeHigh(dateToYYYYMMDD(yyyymmdd)); },
        // Set bespoke titles for a datepicker instance
        setBespokeTitles:       function(inpID, titles) {if(!inpID || !(inpID in datePickers)) { return false; }; datePickers[inpID].setBespokeTitles(titles); },
        // Add bespoke titles for a datepicker instance
        addBespokeTitles:       function(inpID, titles) {if(!inpID || !(inpID in datePickers)) { return false; }; datePickers[inpID].addBespokeTitles(titles); },
        // Attempt to parse a valid date from a date string using the passed in format
        parseDateString:        function(str, format) { return parseDateString(str, format); },
        // Change global configuration parameters
        setGlobalOptions:       function(json) { affectJSON(json); },
        // Forces the datepickers "selected" date
        setSelectedDate:        function(inpID, yyyymmdd) { if(!inpID || !(inpID in datePickers)) { return false; }; datePickers[inpID].setSelectedDate(dateToYYYYMMDD(yyyymmdd)); },
        // Is the date valid for selection i.e. not outside ranges etc
        dateValidForSelection:  function(inpID, dt) { if(!inpID || !(inpID in datePickers)) return false; return datePickers[inpID].canDateBeSelected(dt); },
        // Add disabled and enabled dates
        addDisabledDates:       function(inpID, dts) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].addDisabledDates(dts); },
        setDisabledDates:       function(inpID, dts) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].setDisabledDates(dts); },
        addEnabledDates:        function(inpID, dts) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].addEnabledDates(dts); },
        setEnabledDates:        function(inpID, dts) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].setEnabledDates(dts); },
        // Disable and enable the datepicker
        disable:                function(inpID) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].disableDatePicker(); },
        enable:                 function(inpID) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].enableDatePicker(); },
        // Set the cursor date
        setCursorDate:          function(inpID, yyyymmdd) { if(!inpID || !(inpID in datePickers)) return false; datePickers[inpID].setCursorDate(dateToYYYYMMDD(yyyymmdd)); },
        // Whats the currently selected date
        getSelectedDate:        function(inpID) { return (!inpID || !(inpID in datePickers)) ? false : datePickers[inpID].returnSelectedDate(); },
        // Attempt to update the language (causes a redraw of all datepickers on the page)
        loadLanguage:           function() { loadLanguage(); },
        // Set the debug level i.e. throw errors or fail silently
        setDebug:               function(dbg) { debug = !!(dbg); },
        // Converts Date Object to a YYYYMMDD formatted String
        dateToYYYYMMDDStr:      function(dt) { return dateToYYYYMMDD(dt); }
    };
})();