/*
    DatePicker v3.5 by frequency-decoder.com
    
    @Modified 05/2007 by mknicely for use on HomeAway.com
    
    Released under a creative commons Attribution-ShareAlike 2.5 license (http://creativecommons.org/licenses/by-sa/2.5/)
    Please credit frequency-decoder in any derivative work - thanks.
    
    You are free:
    * to copy, distribute, display, and perform the work
    * to make derivative works
    * to make commercial use of the work

    Under the following conditions:
        by Attribution.
        --------------
        You must attribute the work in the manner specified by the author or licensor.
        sa
        --
        Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one.
    * For any reuse or distribution, you must make clear to others the license terms of this work.
    * Any of these conditions can be waived if you get permission from the copyright holder.
*/

/*
individual datePicker JavaScript Objects can be accessed with:
datePickerController.datePickers["INPUTID"]

Upper and lower date ranges can be set programmatically by calling the following methods:
datePickerController.datePickers["INPUTID"].setRangeLow("YYYYMMDD");
datePickerController.datePickers["INPUTID"].setRangeHigh("YYYYMMDD");
*/

var datePickerController = {};

(function() {
datePicker.isSupported = typeof document.createElement != "undefined" && typeof document.documentElement != "undefined" && typeof document.documentElement.offsetWidth == "number";

// Defaults for the language should the locale file not load
datePicker.months       = ["January","February","March","April","May","June","July","August","September","October","November","December"];
datePicker.fullDay      = ["Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"];
datePicker.titles       = ["Previous month","Next month","Previous year","Next year"];
datePicker.daysPerMonth = [31,28,31,30,31,30,31,31,30,31,30,31];

datePicker.getDaysPerMonth = function (nMonth, nYear) {
    nMonth = (nMonth + 12) % 12;
    var res = datePicker.daysPerMonth[nMonth];
    if (((0 == (nYear%4)) && ((0 != (nYear%100)) || (0 == (nYear%400)))) && nMonth == 1) {
        res = 29;
    }
    return res;
}

function datePicker(options) {

    this.defaults = {};
    
    for (opt in options) {
        this[opt] = this.defaults[opt] = options[opt];
    }

    this.date          = new Date();
    this.yearinc       = 1;
    this.timer         = null;
    this.pause         = 1000;
    this.timerSet      = false;
    this.opacity       = 0;
    this.opacityTo     = 0;
    this.fadeTimer     = null;
    this.interval      = new Date();
    this.firstDayOfWeek = this.defaults.firstDayOfWeek;
    this.dateSet       = null;
    this.visible       = false;
    this.disabledDates     = [];
    this.enabledDates      = [];
    this.div = document.createElement("div");
    this.table = document.createElement("TABLE");

    var o = this;
    
    o.events = {

        onkeydown: function (e) {
            o.stopTimer();

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

            if (e == null) {e = document.parentWindow.event;}
            var kc = (e.keyCode) ? e.keyCode : e.charCode;
			//alert(kc);
            if (kc == 13) {
                // close with update
                o.returnFormattedDate();
                o.hide();
                return o.killEvent(e);
            } else if (kc == 27) {
                // close
                o.hide();
                return o.killEvent(e);
            } else if (kc == 9 ) { 
            	// if you tab, hide the window
            	o.hide();
            } else if (kc == 32 || kc == 0) {
                // close
                o.date = new Date();
                o.updateTable();
                return o.killEvent(e);
            }

            // Internet Explorer fires the keydown event faster than the JavaScript engine can
            // update the interface. The following attempts to fix this.
            if ($j.browser.msie){
                if(new Date().getTime() - o.interval.getTime() < 100) return o.killEvent(e);
                o.interval = new Date();
            }

            if ((kc > 49 && kc < 56) || (kc > 97 && kc < 104)) {
                if (kc > 96) {kc -= (96-48);}
                kc -= 49;
                o.firstDayOfWeek = (o.firstDayOfWeek + kc) % 7;
                o.updateTable();
                return o.killEvent(e);
            }

            if (kc < 37 || kc > 40) {return true};

            var d = new Date(o.date).valueOf();

            if (kc == 37) {
                // ctrl + left = previous month
                if (e.ctrlKey) {
                    d = new Date(o.date);
                    d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth() - 1,d.getFullYear())) ); // no need to catch dec -> jan for the year
                    d.setMonth(d.getMonth() - 1);
                } else {
                    d -= 24 * 60 * 60 * 1000;
                    //d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 1 );
                }
            } else if (kc == 39) {
                // ctrl + right = next month
                if (e.ctrlKey) {
                    d = new Date(o.date);
                    d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth() + 1,d.getFullYear())) ); // no need to catch dec -> jan for the year
                    d.setMonth( d.getMonth() + 1 );
                } else {
                    d += 24 * 60 * 60 * 1000;
                    //d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 1 );
                }
            } else if (kc == 38) {
                // ctrl + up = next year
                if (e.ctrlKey) {
                    d = new Date(o.date);
                    d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth(),d.getFullYear() + 1)) ); // no need to catch dec -> jan for the year
                    d.setFullYear(d.getFullYear() + 1);
                } else {
                    d -= 7 * 24 * 60 * 60 * 1000;
                    //d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() - 7 );
                }
            } else if (kc == 40) {
                // ctrl + down = prev year
                if (e.ctrlKey) {
                    d = new Date(o.date);
                    d.setDate( Math.min(d.getDate(), datePicker.getDaysPerMonth(d.getMonth(),d.getFullYear() - 1)) ); // no need to catch dec -> jan for the year
                    d.setFullYear(d.getFullYear() - 1);
                } else {
                    d += 7 * 24 * 60 * 60 * 1000;
                    //d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 7 );
                }
            }

            var tmpDate = new Date(d);
            if (!o.outOfRange(tmpDate)) {o.date = tmpDate;}

            o.updateTable();

            return o.killEvent(e);
        },
        
        onmousedown: function(e) {
            if (e == null) {e = document.parentWindow.event};
            var el = (e.target != null) ? e.target : e.srcElement;
            o.stopTimer();
            var found = false;
            
            while (el.parentNode) {
                if (el.id && (el.id == "fd-"+o.id || el.id == "fd-but-"+o.id)) {
                    found = true;
                    break;
                }
                try {
                    el = el.parentNode;
                } catch (err) {
                    break;
                }
            }

            if (found) {return true;}

            datePickerController.hideAll();
            return null;
        },
        
        onmouseover: function(e) {
            o.stopTimer();

            if (document.getElementById("date-picker-hover")) {
            	document.getElementById("date-picker-hover").id = "";
            }

            this.id = "date-picker-hover";

            o.date.setDate(this.firstChild.nodeValue);
        },
        
        onclick: function(e) {
            if (o.opacity != o.opacityTo) {return false;}
            if (e == null) {e = document.parentWindow.event;}
            var el = (e.target != null) ? e.target : e.srcElement;
            while (el.nodeType != 1) {el = el.parentNode;}

            var d = new Date(o.date);
            var n = Number(el.firstChild.data);

            if(isNaN(n)) {return true;}

            d.setDate(n);
            o.date = d;

            o.returnFormattedDate();
            o.hide();
            o.stopTimer();
            return o.killEvent(e);
        },
        
        incDec:function(e) {
            if (e == null) {e = document.parentWindow.event;}
            var el = (e.target != null) ? e.target : e.srcElement;
            o.stopTimer();
            
            if (el && el.className && el.className.search('disabled') != -1) { return false; }

            datePickerController.addEvent(document, "mouseup", o.events.clearTimer);

            o.timerInc = 1000;
            o.dayInc = arguments[1];
            o.yearInc = arguments[2];
            o.monthInc = arguments[3];
            o.onTimer();
            o.startTimer();
            return o.killEvent(e);
        },
        
        clearTimer:function(e) {
            o.stopTimer();
            o.stopped = true;
            o.timerInc = 1000;
            o.yearInc = 0;
            o.monthInc = 0;
            o.dayInc = 0;
        }
        
    };
    
    o.reset = function() {
        for (def in o.defaults) {
            o[def] = o.defaults[def];
        }
    };
    
    o.setOpacity = function(op) {
        o.div.style.opacity =  + op/100;
        o.div.style.filter = 'alpha(opacity=' + op + ')';
        o.opacity = op;
    };
    
    o.fade = function() {
        window.clearTimeout(o.fadeTimer);
        var diff = Math.round(o.opacity + ((o.opacityTo - o.opacity) / 4));

        o.setOpacity(diff);

        if (Math.abs(o.opacityTo - diff) > 3 && !o.noFade) {
            o.fadeTimer = window.setTimeout(function () { o.fade(); }, 50);
        } else {
            o.setOpacity(o.opacityTo);
            if(o.opacityTo == 0) {
                o.div.style.display = "none";
                o.visible = false;
            } else {
                o.visible = true;
            }
            window.clearTimeout(o.fadeTimer);
            o.fadeTimer = null;
        }
    };
    
    o.killEvent = function(e) {
        if (e == null) e = document.parentWindow.event;
        
        if (e.stopPropagation) {
            e.stopPropagation();
            e.preventDefault();
        }
        if ($j.browser.msie){
        	e.cancelBubble = true;
        	e.returnValue = false;
        }
        return false;
    };
    
    o.startTimer = function () {
        o.timer = window.setTimeout(o.onTimer, o.timerInc);
        o.timerSet = true;
    };
    
    o.stopTimer = function () {
        window.clearTimeout(o.timer);
        o.timer = null;
        o.timerSet = false;
    };
    
    o.onTimer = function() {
        var d = o.date;
        d.setDate( Math.min(d.getDate()+o.dayInc, datePicker.getDaysPerMonth(d.getMonth()+o.monthInc,d.getFullYear()+o.yearInc)) ); // no need to catch dec -> jan for the year
        d.setMonth( d.getMonth() + o.monthInc );
        d.setFullYear( d.getFullYear() + o.yearInc );
        o.date = d;
        if(o.timerInc > 50) { o.timerInc = 50 + Math.round(((o.timerInc - 50) / 1.8)); };
        o.updateTable();
        if(o.timerSet) o.timer = window.setTimeout(o.onTimer, o.timerInc);
    };
    
    o.getElem = function() {
        return document.getElementById(o.id.replace(/^fd-/, '')) || false;
    };
    
    o.setRangeLow = function(range) {
        if(String(range).search(/^(\d\d?\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$/) == -1) range = '';
        o.low = o.defaults.low = range;
    };
    
    o.setRangeHigh = function(range) {
        if(String(range).search(/^(\d\d?\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$/) == -1) range = '';
        o.high = o.defaults.high = range;
    };
    
    o.setDisabledDays = function(dayArray) {
        o.disableDays = o.defaults.disableDays = dayArray;
    };
    
    o.setDisabledDates = function(dateArray) {
        var fin = [];
        for(var i = dateArray.length; i-- ;) {
            if(dateArray[i].match(/^(\d\d\d\d|\*\*\*\*)(0[1-9]|1[012]|\*\*)(0[1-9]|[12][0-9]|3[01])$/) != -1) fin[fin.length] = dateArray[i];
        }
        if(fin.length) {
            o.disabledDates = fin;
            o.enabledDates = [];
        };
    };
    
    o.setEnabledDates = function(dateArray) {
        var fin = [];
        for(var i = dateArray.length; i-- ;) {
            if(dateArray[i].match(/^(\d\d\d\d|\*\*\*\*)(0[1-9]|1[012]|\*\*)(0[1-9]|[12][0-9]|3[01]|\*\*)$/) != -1 && dateArray[i] != "********") fin[fin.length] = dateArray[i];
        };
        if(fin.length) {
            o.disabledDates = [];
            o.enabledDates = fin;
        };
    };
    
    o.getDisabledDates = function(y, m) {
        if(o.enabledDates.length) return o.getEnabledDates(y, m);
        var obj = {};
        var d = datePicker.getDaysPerMonth(m - 1, y);
        m = m < 10 ? "0" + String(m) : m;
        for(var i = o.disabledDates.length; i-- ;) {
            var tmp = o.disabledDates[i].replace("****", y).replace("**", m);
            if(tmp < Number(String(y)+m+"01") || tmp > Number(y+String(m)+d)) continue;
            obj[tmp] = 1;
        }
        return obj;
    };
    
    o.getEnabledDates = function(y, m) {
        var obj = {};
        var d = datePicker.getDaysPerMonth(m - 1, y);
        m = m < 10 ? "0" + String(m) : m;
        var day,tmp,de,me,ye,disabled;
        for (var dd = 1; dd <= d; dd++) {
            day = dd < 10 ? "0" + String(dd) : dd;
            disabled = true;
            for (var i=o.enabledDates.length; i--;) {
                tmp = o.enabledDates[i];
                ye  = String(o.enabledDates[i]).substr(0,4);
                me  = String(o.enabledDates[i]).substr(4,2);
                de  = String(o.enabledDates[i]).substr(6,2);

                if (ye == y && me == m && de == day) {
                    disabled = false;
                    break;
                }
                
                if (ye == "****" || me == "**" || de == "**") {
                    if (ye == "****") {tmp = tmp.replace(/^\*\*\*\*/, y);}
                    if (me == "**") {tmp = tmp = tmp.substr(0,4) + String(m) + tmp.substr(6,2);}
                    if (de == "**") {tmp = tmp.replace(/\*\*/, day);}

                    if (tmp == String(y + String(m) + day)) {
                        disabled = false;
                        break;
                    }
                }
            }
            if (disabled) {obj[String(y + String(m) + day)] = 1;}
        }
        return obj;
    };
    
    o.setFirstDayOfWeek = function(e) {
        if (e == null) {e = document.parentWindow.event;}
        var elem = (e.target != null) ? e.target : e.srcElement;

        if (elem.tagName.toLowerCase() != "th") {
            while (elem.tagName.toLowerCase() != "th") {elem = elem.parentNode;}
        }
        var cnt = 0;
        while (elem.previousSibling) {
            elem = elem.previousSibling;
            if (elem.tagName.toLowerCase() == "th") {cnt++;}
        }

        o.firstDayOfWeek = (o.firstDayOfWeek + cnt) % 7;
        o.updateTable();
        return o.killEvent(e);
    };
    
    o.truePosition = function(element) {
        var pos = o.cumulativeOffset(element);
        if (window.opera) {return pos;}
        var iebody   = (document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
        var dsocleft = (document.all) ? iebody.scrollLeft : window.pageXOffset;
        var dsoctop  = (document.all) ? iebody.scrollTop  : window.pageYOffset;
        var posReal  = o.realOffset(element);
        
        var top = pos[1] - posReal[1] + dsoctop;
        var left = pos[0] - posReal[0] + dsocleft + (window.ie ? 4 : (window.webkit ? 1 : 2));

        return [left, top];
    };
    
    o.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];
    };
    o.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];
    };
    o.resize = function() {
        if(!o.created || !o.getElem()) 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;
        var osw = o.div.offsetWidth;
        
        o.div.style.visibility = "visible";
        o.div.style.display = "none";
        
        var elem      = document.getElementById(o.id);
        
        var pos       = o.truePosition(elem);
        var trueBody      = (document.body && (document.body.scrollLeft || document.body.scrollTop)) ? document.body : document.documentElement;
		
        if ( parseInt(trueBody.clientWidth+trueBody.scrollLeft) < parseInt(osw+pos[0])) {
            o.div.style.left = Math.abs(parseInt((trueBody.clientWidth+trueBody.scrollLeft) - osw)) + "px";
        } else {
            o.div.style.left  = pos[0] + "px";
        };

        if ( parseInt(trueBody.clientHeight+trueBody.scrollTop) < parseInt(osh+pos[1]+elem.offsetHeight+2)) {
            o.div.style.top   = Math.abs(parseInt(pos[1] - (osh + 2))) + "px";
        } else {
            o.div.style.top   = Math.abs(parseInt(pos[1] + elem.offsetHeight + 2)) + "px";
        };

        if(o.iePopUp) {
            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";
        };
    };
    o.equaliseDates = function() {
        var clearDayFound = false;
        var tmpDate;
        for(var i = o.low; i <= o.high; i++) {
            tmpDate = String(i);
            if(!o.disableDays[new Date(tmpDate.substr(0,4), tmpDate.substr(6,2), tmpDate.substr(4,2)).getDay() - 1]) {
                clearDayFound = true;
                break;
            };
        };
        if(!clearDayFound) o.disableDays = o.defaults.disableDays = [0,0,0,0,0,0,0];
    };
    o.outOfRange = function(tmpDate) {
        if(!o.low && !o.high) return false;

        var level = false;
        if(!tmpDate) {
            level = true;
            tmpDate = o.date;
        };
        
        var d       = (tmpDate.getDate() < 10) ? "0" + tmpDate.getDate() : tmpDate.getDate();
        var m       = ((tmpDate.getMonth() + 1) < 10) ? "0" + (tmpDate.getMonth() + 1) : tmpDate.getMonth() + 1;
        var y       = tmpDate.getFullYear();
        var dt      = String(y)+String(m)+String(d);

        if(o.low) {
            if(parseInt(dt) < parseInt(o.low)) {
                if(!level) return true;
                o.date = new Date(o.low.substr(0,4), o.low.substr(4,2)-1, o.low.substr(6,2), 5, 0, 0);
                return false;
            };
        };
        if(o.high) {
            if(parseInt(dt) > parseInt(o.high)) {
                if(!level) return true;
                o.date = new Date( o.high.substr(0,4), o.high.substr(4,2)-1, o.high.substr(6,2), 5, 0, 0);
            };
        };
        return false;
    };
    o.create = function() {
        /*@cc_on@*/
        /*@if(@_jscript_version <= 5.6)
            if(!document.getElementById("iePopUpHack")) {
                var loc = "/blank.html";
                var scriptFiles = document.getElementsByTagName('head')[0].getElementsByTagName('script');
                for(var i = 0, scriptFile; scriptFile = scriptFiles[i]; i++) {
                    if(scriptFile.src && scriptFile.src.match(/datepicker.js$/)) {
                        loc = scriptFile.src.replace("datepicker.js", "blank.html");
                        break;
                    };
                };

                o.iePopUp = document.createElement('iframe');
                o.iePopUp.src = loc;
                o.iePopUp.setAttribute('className','iehack');
                o.iePopUp.scrolling="no";
                o.iePopUp.frameBorder="0";
                o.iePopUp.name = o.iePopUp.id = "iePopUpHack";
                document.body.appendChild(o.iePopUp);

            } else {
                o.iePopUp = document.getElementById("iePopUpHack");
            };
        /*@end@*/
        
    	if(typeof(fdLocale) == "object" && o.locale) {
            datePicker.titles  = fdLocale.titles;
            datePicker.months  = fdLocale.months;
            datePicker.fullDay = fdLocale.fullDay;
            // Optional parameters
            if(fdLocale.dayAbbr) datePicker.dayAbbr = fdLocale.dayAbbr;
            if(fdLocale.firstDayOfWeek) o.firstDayOfWeek = o.defaults.firstDayOfWeek = fdLocale.firstDayOfWeek;
        };
        
        //o.div = document.createElement('div');
        o.div.style.zIndex = 9999;
        o.div.id = "fd-"+o.id;
        o.div.className = "datePicker";
        
        $j("body")[0].appendChild(o.div);
        
        var tableBody = document.createElement('tbody');
        var tableHead = document.createElement('thead');
        var nbsp = String.fromCharCode( 160 );
        
        //o.table = document.createElement('table');
        var tr  = document.createElement('tr');
        var th  = document.createElement('th');
        o.table.cellSpacing = "0";
        o.table.width = "250";
        
        o.div.appendChild( o.table );
        o.table.appendChild( tableHead );
        tableHead.appendChild(tr);
        tr.appendChild( th );

        // previous year
        var tmpelem = document.createElement('button');
        tmpelem.setAttribute("type", "button");
        tmpelem.className = "prev-but but-spacer";
        tmpelem.id = o.id + "-prev-year-but";
        tmpelem.appendChild(document.createTextNode('\u00AB'));
        tmpelem.title = datePicker.titles[2];
        tmpelem.onmousedown = function(e) { o.events.incDec(e,0,-1,0); };
        th.appendChild( tmpelem );
        tmpelem = null;
        
        // previous month
        var tmpelem = document.createElement('button');
        tmpelem.setAttribute("type", "button");
        tmpelem.className = "prev-but";
        tmpelem.id = o.id + "-prev-month-but";
        tmpelem.appendChild(document.createTextNode("\u2039"));
        tmpelem.title = datePicker.titles[0];
        tmpelem.onmousedown = function(e) { o.events.incDec(e,0,0,-1); };
        th.appendChild( tmpelem );
        tmpelem = null;
        
        // title bar
        o.titleBar = document.createElement('th');
        if ($j.browser.msie){
        	o.titleBar.setAttribute('colSpan','5');
        }else{
            o.titleBar.setAttribute('colspan','5');
        }
        o.titleBar.setAttribute('text-align','center');
        tr.appendChild( o.titleBar );

        th = document.createElement('th');
        tr.appendChild( th );
        
        // next month
        var tmpelem = document.createElement('button');
        tmpelem.setAttribute("type", "button");
        tmpelem.className = "next-but but-spacer";
        tmpelem.id = o.id + "-next-month-but";
        tmpelem.appendChild(document.createTextNode('\u203A'));
        tmpelem.title = datePicker.titles[1];
        tmpelem.onmousedown = function(e) { o.events.incDec(e,0,0,1); };
        th.appendChild( tmpelem );
        tmpelem = null;
        
        // next year
        var tmpelem = document.createElement('button');
        tmpelem.setAttribute("type", "button");
        tmpelem.className = "next-but";
        tmpelem.id = o.id + "-next-year-but";
        tmpelem.appendChild(document.createTextNode('\u00BB'));
        tmpelem.title = datePicker.titles[3];
        tmpelem.onmousedown = function(e) { o.events.incDec(e,0,1,0); };
        th.appendChild( tmpelem );
        tmpelem = null;

        o.table.appendChild( tableBody );
        
        var row, col;
        
        for(var rows = 0; rows < 7; rows++) {
            row = document.createElement('tr');

            if(rows != 0) tableBody.appendChild(row);
            else tableHead.appendChild(row);
            
            for(var cols = 0; cols < 7; cols++) {
                col = (rows == 0) ? document.createElement('th') : document.createElement('td');
                row.appendChild(col);
                if(rows != 0) {
                    col.appendChild(document.createTextNode(nbsp));
                } else {
                    col.className = "date-picker-day-header";
                    col.scope = "col";
                };
                col = null;
            }
            
            row = null;
        };

        tableBody = tableHead = tr = th = null;
        
        var newTFoot = document.createElement("TFOOT");
        var newRow = document.createElement("TR");
        
        // clear
        var newTh2 = document.createElement("TH");
        newTh2.colSpan = "4";
        newTh2.className = "buttonClear";
        var butClear = document.createElement('button');
        butClear.setAttribute("type", "button");
        butClear.appendChild(document.createTextNode(o.txtClear));
        butClear.onmousedown = function(e) {
        	document.getElementById(o.id).value = o.txtFormat;
            o.hide();
        };
        
        // close
        var newTh = document.createElement("TH");
        newTh.colSpan = "3";
        newTh.className = "buttonClose";
        var butCancel = document.createElement('button');
        butCancel.setAttribute("type", "button");
        butCancel.appendChild(document.createTextNode(o.txtClose));
        butCancel.onmousedown = function(e) { 
            o.hide();
        };
        
        // assemble the row for clear and close
        newTh.appendChild(butCancel);
        newTh2.appendChild(butClear);
        newRow.appendChild(newTh);
        newRow.appendChild(newTh2);
        newTFoot.appendChild(newRow);
        o.table.appendChild(newTFoot);
        
        o.created = true;
    };
    
    o.setDateFromInput = function() {
        function m2c(val) {
            return (String(val).length < 2) ? "00".substring(0, 2 - String(val).length) + String(val) : val;
        }

        o.dateSet = null;
        
        var elem = o.getElem();
        if (!elem) return;

        if (!o.splitDate) {
            var date = datePickerController.dateFormat(elem.value, o.format.search(/m-d-y/i) != -1);
        } else {
            var tm = document.getElementById(o.id+'-mm') ? parseInt(document.getElementById(o.id+'-mm').value) || new Date().getMonth() + 1 : new Date().getMonth() + 1;
            var td = document.getElementById(o.id+'-dd') ? parseInt(document.getElementById(o.id+'-dd').value) || new Date().getDate() : new Date().getDate();
            var date = datePickerController.dateFormat(tm + "/" + td + "/" + (elem.value || new Date().getFullYear()), true);
        }

        if (!date) { date = String(new Date().getFullYear()) + m2c(new Date().getMonth() + 1) + m2c(new Date().getDate()); }
        
        var d,m,y;
         
        y = date.substr(0, 4);
        m = date.substr(4, 2);
        d = date.substr(6, 2);
        
        if(!y || !m || !d || new Date( y, m - 1, d ) == 'Invalid Date' || new Date( y, m - 1, d ) == 'NaN') {
            o.date = new Date();
            o.date.setHours(5);
            return;
        };

        o.date.setMonth(m-1);
        o.date.setFullYear(y);
        o.date.setDate(d);
        o.date.setHours(5);
        o.dateSet = new Date(o.date);
    };
    
    o.returnFormattedDate = function() {
        var elem = o.getElem();
        if(!elem) return;
        
        var d           = (o.date.getDate() < 10) ? "0" + o.date.getDate() : o.date.getDate();
        var m           = ((o.date.getMonth() + 1) < 10) ? "0" + (o.date.getMonth() + 1) : o.date.getMonth() + 1;
        var yyyy        = o.date.getFullYear();
        var disabledDates       = o.getDisabledDates(yyyy, m);
        var weekDay         = ( o.date.getDay() + 6 ) % 7;

        if (!(o.disableDays[weekDay] || String(yyyy)+m+d in disabledDates)) {
            if (o.splitDate) {
                document.getElementById(o.id+"-dd").value = d;
                document.getElementById(o.id+"-mm").value = m;
                elem.value = yyyy;
                
                // disabled so input.onfocus doesn't retrigger the showing of the datepicker
                //document.getElementById(o.id+"-dd").focus();
                if (document.getElementById(o.id+"-dd").onchange) document.getElementById(o.id+"-dd").onchange();
                if (document.getElementById(o.id+"-mm").onchange) document.getElementById(o.id+"-mm").onchange();
            } else {
                elem.value = o.format.replace('y',yyyy).replace('m',m).replace('d',d).replace(/-/g,o.divider);
                // disabled so input.onfocus doesn't retrigger the showing of the datepicker
                //elem.focus();
            }
            if (elem.onchange) elem.onchange();
        }
    };
    
    // Credit where credit's due:
    // Most of the logic for this method from the webfx date-picker
    // http://webfx.eae.net/
    o.updateTable = function() {

        if(document.getElementById("date-picker-hover")) {
        	document.getElementById("date-picker-hover").id = "";
        };

        var i;
        var str = "";
        var rows = 6;
        var cols = 7;
        var currentWeek = 0;
        var nbsp = String.fromCharCode( 160 );

        var cells = new Array( rows );

        for ( i = 0; i < rows; i++ ) {
            cells[i] = new Array( cols );
        };
        
        o.outOfRange();

        // Set the tmpDate to the second day of this month (to avoid daylight savings time madness on Windows)
        var tmpDate = new Date( o.date.getFullYear(), o.date.getMonth(), 2 );
        tmpDate.setHours(5);
        
        // Do the disableDates for this year and month
        var m       = ((tmpDate.getMonth() + 1) < 10) ? "0" + (tmpDate.getMonth() + 1) : tmpDate.getMonth() + 1;
        var y       = tmpDate.getFullYear();

        var disabledDates = o.getDisabledDates(o.date.getFullYear(), o.date.getMonth() + 1);
        
        var today = new Date();

        // Title Bar
        var titleText = datePicker.months[o.date.getMonth()] + nbsp + o.date.getFullYear();
        while(o.titleBar.firstChild) o.titleBar.removeChild(o.titleBar.firstChild);
        o.titleBar.appendChild(document.createTextNode(titleText));


        // Previous buttons out of range
        document.getElementById(o.id + "-prev-year-but").className = document.getElementById(o.id + "-prev-year-but").className.replace("disabled", "");
        if(o.outOfRange(new Date((y - 1), Number(m)-1, datePicker.getDaysPerMonth(Number(m)-1, y-1)))) {
            document.getElementById(o.id + "-prev-year-but").className += " disabled";
            o.yearInc = 0;
        }

        document.getElementById(o.id + "-prev-month-but").className = document.getElementById(o.id + "-prev-month-but").className.replace("disabled", "");
        if(o.outOfRange(new Date(y, (Number(m) - 2), datePicker.getDaysPerMonth(Number(m)-2, y)))) {
            document.getElementById(o.id + "-prev-month-but").className += " disabled";
            o.monthInc = 0;
        }
        
        // Next buttons out of range
        document.getElementById(o.id + "-next-year-but").className = document.getElementById(o.id + "-next-year-but").className.replace("disabled", "");
        if(o.outOfRange(new Date((y + 1), Number(m) - 1, 1))) {
            document.getElementById(o.id + "-next-year-but").className += " disabled";
            o.yearInc = 0;
        }

        document.getElementById(o.id + "-next-month-but").className = document.getElementById(o.id + "-next-month-but").className.replace("disabled", "");
        if(o.outOfRange(new Date(y, Number(m), 1))) {
            document.getElementById(o.id + "-next-month-but").className += " disabled";
            o.monthInc = 0;
        }
        
        for ( i = 1; i < 32; i++ ) {
            tmpDate.setDate( i );

            var weekDay  = ( tmpDate.getDay() + 6 ) % 7;
            var colIndex = ( (weekDay - o.firstDayOfWeek) + 7 ) % 7;
            var cell     = { text:"", className:"", id:"" };
            var d    = (tmpDate.getDate() < 10) ? "0" + tmpDate.getDate() : tmpDate.getDate();
            var dt       = String(y)+m+d;

            if ( tmpDate.getMonth() == o.date.getMonth() ) {
            
                cells[currentWeek][colIndex] = { text:"", className:"", id:"" };

                var isToday = tmpDate.getDate() == today.getDate() &&
                          tmpDate.getMonth() == today.getMonth() &&
                          tmpDate.getFullYear() == today.getFullYear();

                if ( o.dateSet != null && o.dateSet.getDate() == tmpDate.getDate() && o.dateSet.getMonth() == tmpDate.getMonth() && o.dateSet.getFullYear() == tmpDate.getFullYear()) {
                    cells[currentWeek][colIndex].className = "date-picker-selected-date";
                };
                if ( o.date.getDate() == tmpDate.getDate() && o.date.getFullYear() == tmpDate.getFullYear()) {
                    cells[currentWeek][colIndex].id = "date-picker-hover";
                };

                if(o.highlightDays[weekDay]) {
                    cells[currentWeek][colIndex].className += " date-picker-highlight";
                };
                if ( isToday ) {
                    cells[currentWeek][colIndex].className = "date-picker-today";
                };
                if(o.outOfRange(tmpDate)) {
                    cells[currentWeek][colIndex].className = "out-of-range";
                } else if(o.disableDays[weekDay] || dt in disabledDates) {
                    cells[currentWeek][colIndex].className = "day-disabled";
                };
                cells[currentWeek][colIndex].text = tmpDate.getDate();
                
                cells[currentWeek][colIndex].className += " dm-" + tmpDate.getDate() + '-' + tmpDate.getMonth() + " " + " dmy-" + tmpDate.getDate() + '-' + tmpDate.getMonth() + '-' + tmpDate.getFullYear();
                if ( colIndex == 6 ) currentWeek++;
            };
        };

        // Table headers
        var lnk, d, butt;
        var ths = o.table.getElementsByTagName('thead')[0].getElementsByTagName('tr')[1].getElementsByTagName('th');
        for ( var y = 0; y < 7; y++ ) {
            d = (o.firstDayOfWeek + y) % 7;

            butt = ths[y].getElementsByTagName("button");
            if(butt.length && butt.length > 0) {
                butt[0].onclick = butt.onkeypress = null;
            }
            
            while(ths[y].firstChild) ths[y].removeChild(ths[y].firstChild);

            ths[y].title = datePicker.fullDay[d];

            /* insert day of week header */
            ths[y].appendChild(document.createTextNode(datePicker.dayAbbr ? datePicker.dayAbbr[d] : datePicker.fullDay[d].charAt(0)));

        };

        var trs = o.table.getElementsByTagName('tbody')[0].getElementsByTagName('tr');
        var tmpCell;

        for ( var y = 0; y < rows; y++ ) {
            var tds = trs[y].getElementsByTagName('td');
            for (var x = 0; x < cols; x++) {
                tmpCell = tds[x];

                while(tmpCell.firstChild) tmpCell.removeChild(tmpCell.firstChild);

                if ( typeof cells[y][x] != "undefined" ) {
                    tmpCell.className = cells[y][x].className;
                    tmpCell.id = cells[y][x].id;
                    
                    tmpCell.appendChild(document.createTextNode(cells[y][x].text));
                    
                    if(cells[y][x].className != "out-of-range") {
                        tmpCell.onmouseover = o.events.onmouseover;
                        tmpCell.onclick = cells[y][x].className.search(/day-disabled|out-of-range/) != -1 ? o.killEvent : o.events.onclick;
                        tmpCell.title = datePicker.months[o.date.getMonth()] + nbsp + cells[y][x].text + "," + nbsp + o.date.getFullYear();
                    } else {
                        tmpCell.onmouseover = null;
                        tmpCell.onclick = o.killEvent;
                        tmpCell.title = "";
                    };
                } else {
                    tmpCell.className = "";
                    tmpCell.id = "";
                    tmpCell.onmouseover = null;
                    tmpCell.onclick = function(e) { return o.killEvent(e); };
                    tmpCell.appendChild(document.createTextNode(nbsp));
                    tmpCell.title = "";
                };
            };
        };
    };
    
    o.init = function() {
        if(o.low && o.high && (o.high - o.low < 7)) { o.equaliseDates(); }
        //o.setDateFromInput();
        o.fade();
    };
    
    o.show = function() {
        var elem = o.getElem();
        var rel = $j("#" + elem.id).attr("rel");
        var val = $j("#" + elem.id).val();
        
        if (rel == val)  {
        	$j("#" + elem.id).val(""); 
			$j("#" + elem.id).removeClass("default");
        }
        
        if(!elem || o.visible || elem.disabled) return;
        
        // if a paired element is empty or defaulted, unset the date limit
        if (typeof elem.pair != "undefined" && elem.pair.value == ha.settings.datepickers.txtFormat) {
            o.setRangeLow(datePickerController.dateFormat(datePickerController.dateToLocalString(), true));
        }
        
        o.reset();
        o.setDateFromInput();
        o.updateTable();
        o.resize();
        
        datePickerController.addEvent(document, "mousedown", o.events.onmousedown);
        datePickerController.addEvent(document, "keypress", o.events.onkeydown);
        
        // IE requires the keydown event in order to catch arrow keys
        if ($j.browser.msie){
            datePickerController.removeEvent(document, "keypress", o.events.onkeydown);
            datePickerController.addEvent(document, "keydown", o.events.onkeydown);
        }

        o.opacityTo = o.noFade ? 99 : 90;
        o.div.style.display = "block";
        if(o.iePopUp) { o.iePopUp.style.display = "block"; }
        o.fade();
        o.visible = true;
        // prevent input via typing
        elem.blur();
        
    };
    
    o.hide = function()   {
        if(!o.visible) return;
        o.stopTimer();
        try { datePickerController.removeEvent(document, "mousedown", o.events.onmousedown); }  catch(e) { };
        try { datePickerController.removeEvent(document, "mouseup", o.events.clearTimer); }     catch(e) { };
        try { datePickerController.removeEvent(document, "keypress", o.events.onkeydown); }     catch(e) { };
        try { datePickerController.removeEvent(document, "keydown", o.events.onkeydown); }      catch(e) { };
        if(o.iePopUp) { o.iePopUp.style.display = "none"; };
        o.opacityTo = 0;
        o.fade();
        o.visible = false;
        
        var elem = o.getElem();
        var rel = $j("#" + elem.id).attr("rel");
        
        if (elem.value == "")  {
        	$j("#" + elem.id).val(rel);
			$j("#" + elem.id).addClass("default"); 
        }
        
        // TODO: Fix this hack so that the element object is not hard-coded
        $j("#startDateInput").change();
    };
    
    o.destroy = function() {
        // Cleanup for Internet Explorer
        try { datePickerController.removeEvent(document, "mousedown", o.events.onmousedown); }  catch(e) { };
        try { datePickerController.removeEvent(document, "mouseup", o.events.clearTimer); }     catch(e) { };
        try { datePickerController.removeEvent(document, "keypress", o.events.onkeydown); }     catch(e) { };
        try { datePickerController.removeEvent(document, "keydown", o.events.onkeydown); }      catch(e) { };

        var ths = o.table.getElementsByTagName("th");
        for(var i = 0, th; th = ths[i]; i++) {
            th.onmouseover = th.onmouseout = th.onmousedown = th.onclick = null;
        }
        
        var tds = o.table.getElementsByTagName("td");
        for(var i = 0, td; td = tds[i]; i++) {
            td.onmouseover = td.onclick = null;
        }

        var butts = o.table.getElementsByTagName("button");
        for(var i = 0, butt; butt = butts[i]; i++) {
            butt.onmousedown = butt.onclick = butt.onkeypress = null;
        }
        
        clearTimeout(o.fadeTimer);
        clearTimeout(o.timer);
        o.fadeTimer = o.timer = null;
        
        /*@cc_on@*/
        /*@if(@_jscript_version <= 5.6)
            o.iePopUp = null;
        /*@end@*/
        
        //TODO:mknicely track down the effing errors in IE and squash them.  this try catch is kack.
        try {
            if(document.getElementById(o.id.replace(/^fd-/, 'fd-but-'))) {
                var butt = document.getElementById(o.id.replace(/^fd-/, 'fd-but-'));
                butt.onclick = butt.onpress = null;
            }
        } catch(e) {}
        
        o.titleBar = o.table = o.div = null;

        o = null;
        
    };
    
    o.create();
    o.init();
};

datePickerController = {
    
    datePickers: {},
    
    // TODO: map event handlers to the mootools methods
    addEvent: function(obj, type, fn, tmp) {
        tmp || (tmp = true);
        if( obj.attachEvent ) {
            obj["e"+type+fn] = fn;
            obj[type+fn] = function(){obj["e"+type+fn]( window.event );};
            obj.attachEvent( "on"+type, obj[type+fn] );
        } else {
            obj.addEventListener( type, fn, true );
        };
    },
    
    // TODO: map event handlers to the mootools methods
    removeEvent: function(obj, type, fn, tmp) {
        tmp || (tmp = true);
        if ( obj.detachEvent ) {
            obj.detachEvent( "on"+type, obj[type+fn] );
            obj[type+fn] = null;
        } else {
            obj.removeEventListener( type, fn, true );
        }
    },
    
    hideAll: function(exception) {
        for (dp in datePickerController.datePickers) {
            if (exception && exception == datePickerController.datePickers[dp].id) {
                continue;
            }
            if (document.getElementById(datePickerController.datePickers[dp].id))  {
                datePickerController.datePickers[dp].hide();
            }
        }
    },
    
    cleanUp: function() {
        var dp;
        for (dp in datePickerController.datePickers) {
            if (!document.getElementById(datePickerController.datePickers[dp].id)) {
                dpElem = document.getElementById("fd-"+datePickerController.datePickers[dp].id);
                datePickerController.datePickers[dp].destroy();
                datePickerController.datePickers[dp] = null;
                delete datePickerController.datePickers[dp];
                if (dpElem) {
                    dpElem.parentNode.removeChild(dpElem);
                }
            }
        }
    },
    
    destroy: function() {
        for(dp in datePickerController.datePickers) {
            datePickerController.datePickers[dp].destroy();
            datePickerController.datePickers[dp] = null;
            delete datePickerController.datePickers[dp];
        };
        datePickerController.datePickers = null;
        
        datePicker.script = null;
        
        //datePickerController.removeEvent(window, 'load', datePickerController.create);
        datePickerController.removeEvent(window, 'unload', datePickerController.destroy);

    },
    
    /**
     * Convert a localized date string to the internal date string format, YYYYMMDD
     * @param {String} dateIn
     * @param {Bool} favourMDY
     */
    dateFormat: function(dateIn, favourMDY) {
        var dateTest = [
            { regExp:/^(0?[1-9]|[12][0-9]|3[01])([- \/.])(0?[1-9]|1[012])([- \/.])((\d\d)?\d\d)$/, d:1, m:3, y:5 },  // dmy
            { regExp:/^(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])([- \/.])((\d\d)?\d\d)$/, d:3, m:1, y:5 },  // mdy
            { regExp:/^(\d\d\d\d)([- \/.])(0?[1-9]|1[012])([- \/.])(0?[1-9]|[12][0-9]|3[01])$/,    d:5, m:3, y:1 }   // ymd
        ];
        var start;
        var cnt = 0;
        
        while (cnt < 3) {
            start = (cnt + (favourMDY ? 4 : 3)) % 3;
            
            if (dateIn.match(dateTest[start].regExp)) {
                var res, y, m, d;
                res = dateIn.match(dateTest[start].regExp);
                y = res[dateTest[start].y];
                m = res[dateTest[start].m];
                d = res[dateTest[start].d];
                if (m.length == 1) {m = "0" + m};
                if (d.length == 1) {d = "0" + d};
                if (y.length != 4) {y = (parseInt(y) < 50) ? '20' + y : '19' + y};

                return ""+y+m+d;
            }
            cnt++;
        }

        return 0;
    },
    
    create: function() {
        if (!datePicker.isSupported) {return;}

        datePickerController.cleanUp();
        var inputs = $j("input").filter(".datepicker");
        var regExp0 = /datepicker/g; // the main css class for auto detection
        var regExp1 = /disable-days-([1-7]){1,6}/g; // the days to disable
        var regExp2 = /no-transparency/g; // do not use transparency effects
        var regExp3 = /highlight-days-([1-7]){1,7}/g; // the days to highlight in red
        var regExp4 = /range-low-(\d\d\d\d-\d\d-\d\d)/g; // the lowest selectable date
        var regExp5 = /range-high-(\d\d\d\d-\d\d-\d\d)/g; // the highest selectable date
        var regExp6 = /format-(d-m-y|m-d-y|y-m-d)/g; // the input/output date format
        var regExp7 = /divider-(dot|slash|space|dash)/g; // the character used to divide the date
        var regExp8 = /no-locale/g; // do not attempt to detect the browser language
        
        for (var i=0, inp; inp = inputs[i]; i++) {
            if (inp.className && inp.className.search(regExp0) != -1 && inp.type == "text" && (inp.name || inp.id)) {
                
                // ensure each input has a name and an id
                if (!inp.id) {inp.id = inp.name;}
                if (!inp.name) {inp.name = inp.id;}
                
                // set default options
                var options = {
                    low: "today",
                    high: "",
                    divider: "/",
                    format: "m-d-y",
                    highlightDays: [0,0,0,0,0,0,0],
                    disableDays: [0,0,0,0,0,0,0],
                    locale: "en-us",
                    splitDate: 0,
                    firstDayOfWeek: 6,
                    noFade: true
                };
                
                // override defaults with ha.settings.datepickers if available
                if (ha && ha.settings && ha.settings.datepickers) {
                    //options = ha.settings.datepickers;
                    for (var opt in ha.settings.datepickers) {
                        options[opt] = ha.settings.datepickers[opt];
                    }
                }

                // add the input id to the options 
                options.id = inp.id;

                //fdLocale exists in lang/<langId>.js files
                //if it exists then override the ha.settings.datepickers.firstDayOfWeek
                //with the locale setting.
                if(typeof(fdLocale) == "object") {
                	if(fdLocale.firstDayOfWeek != null) options.firstDayOfWeek = fdLocale.firstDayOfWeek;
                }
                
                // Split the date into three parts ?
                if (inp.className.search(/split-date/) != -1) {
                    if (document.getElementById(inp.id+'-dd') && document.getElementById(inp.id+'-mm') && document.getElementById(inp.id+'-dd').tagName.toLowerCase() == "input" && document.getElementById(inp.id+'-mm').tagName.toLowerCase() == "input") {
                        options.splitDate = 1;
                    }
                }
                
                // The lower limit
                if (inp.className.search(/range-low-none/i) != -1) {
                    //TODO: this override doesn't actually work so past dates are always restricted
                    options.low = "";
                } else if(inp.className.search(/range-low-today/i) != -1) {
                    options.low = datePickerController.dateFormat(datePickerController.dateToLocalString(), true);
                } else if(inp.className.search(regExp4) != -1) {
                    options.low = datePickerController.dateFormat(inp.className.match(regExp4)[0].replace(/range-low-/, ''), false);
                    if(!options.low) {
                        options.low = '';
                    };
                } else {
                    //TODO: make this configurable; right now it always defaults to restricting past dates
                    options.low = datePickerController.dateFormat(datePickerController.dateToLocalString(), true);
                }

                // The higher limit
                if (inp.className.search(/range-high-today/i) != -1 && inp.className.search(/range-low-today/i) == -1) {
                    options.high = datePickerController.dateFormat((new Date().getMonth() + 1) + "/" + new Date().getDate() + "/" + new Date().getFullYear(), true);
                } else if (inp.className.search(regExp5) != -1) {
                    options.high = datePickerController.dateFormat(inp.className.match(regExp5)[0].replace(/range-high-/, ''), false);
                    if (!options.high) {
                        options.high = '';
                    }
                }

                // Datepicker is already created so reset it's defaults
                if(document.getElementById('fd-'+inp.id)) {
                    for(var opt in options) {
                        datePickerController.datePickers[inp.id].defaults[opt] = options[opt];
                    };
                    datePickerController.datePickers[inp.id].enabledDays = datePickerController.datePickers[inp.id].disabledDays = [];
                };
                
                // Create the button (if needs be)
                //TODO: disabled for now, make this configurable by product
                if (false) {
                    if (!document.getElementById("fd-but-" + inp.id)) {
                        var but = document.createElement('button');
                        but.setAttribute("type", "button");
                        but.className = "date-picker-control";
    
                        but.id = "fd-but-" + inp.id;
                        but.appendChild(document.createTextNode(String.fromCharCode( 160 )));
                    
                        if (inp.nextSibling) {
                            inp.parentNode.insertBefore(but, inp.nextSibling);
                        } else {
                            inp.parentNode.appendChild(but);
                        }
                    } else {
                        var but = document.getElementById("fd-but-" + inp.id);
                    }
                    
                    // Add button events
                    but.onclick = but.onpress = function() {
                        var inpId = this.id.replace('fd-but-','');
                        datePickerController.hideAll(inpId);
                        if (inpId in datePickerController.datePickers && !datePickerController.datePickers[inpId].visible) {
                            datePickerController.datePickers[inpId].show();
                        }
                        return false;
                    };
                }
                
                document.getElementById(inp.id).onfocus = function() {
                    var inpId = this.id;
                    datePickerController.hideAll(inpId);
                    if (inpId in datePickerController.datePickers && !datePickerController.datePickers[inpId].visible) {
                        datePickerController.datePickers[inpId].show();
                    }
                    return false;
                };
 
                // Create the datePicker (if needs be)
                if (!document.getElementById('fd-'+inp.id)) {
                    datePickerController.datePickers[inp.id] = new datePicker(options);
                }

                but = null;
            }
        }
    },
    
    limitEndDate: function(start,end) {
        //console.log("ping");
        var util = ha.util.datePickControl;
        
        var endId = end.id;
        var startId = start.id;
        // verify the bound object is a datePicker
        if (!(endId in util.datePickers)) {return false;}
        
        // get reference to the end date datePicker Objects
        var startPicker = util.datePickers[startId];
        var endPicker = util.datePickers[endId];
        
        // verify dateStart is valid
        var dateStart = util.dateFormat(document.getElementById(startId).value, startPicker.format.charAt(0) == "m");
        if (dateStart == 0) {return false;}
    
        // get value of the dateEnd input as an int
        var dateEnd = util.dateFormat(document.getElementById(endId).value, endPicker.format.charAt(0) == "m");
        
        var dateStr = $j("#"+startId).val();
        if (ha.settings.datepickers.format == "d-m-y"){
        	dateStr = dateStr.split("/");
        	dateStr = dateStr[1]+"/"+dateStr[0]+"/"+dateStr[2];
    	}

        // create a temp copy of dateStart
        var tmpDate = new Date(dateStr);
        // increment by one day
        tmpDate.setDate(tmpDate.getDate() + 1);
        //alert(dateStart+"-"+dateEnd)
        // set the end date constraint to tmpDate
        endPicker.setRangeLow(util.dateToDateNum(tmpDate));

        // if bad date sequence set the endPicker to tmpDate
        if (dateEnd <= dateStart) {
            endPicker.date = tmpDate;
            endPicker.returnFormattedDate();
			$j("#endDateInput").removeClass("default");
        }
        return true;
    },
    
    limitStartDate: function(e, StartId) {
        //TODO: not needed, we always restrict past dates. Update this method when we need more flexible pickers
        return true;
    },
    
    linkDates: function(idStart, idEnd) {
        // verify arguments
        if (!idStart || !idEnd) {return false;}
        
        // get el references
        var pickStart = document.getElementById(idStart);
        var pickEnd = document.getElementById(idEnd);
        // verify pickers
        if (!pickStart || !pickEnd) {return false;}
        
        // set pair references and events
        pickStart.pair = pickEnd;
        pickEnd.pair = pickStart;
        
        // FIX THIS MOOTOOLS DEPENDENCY!!!!!!!
        // pickStart.onchange = datePickerController.limitEndDate.bindAsEventListener(pickStart);
        $j(pickStart).change(function(){
        	datePickerController.limitEndDate(pickStart,pickEnd);
        });
        
        return null;
    },
    
    /**
     * Convert date object to localized human readable string
     * @param {Date} date
     * @param {String} sep : the seperator character to use between date pieces
     * @return {String}
     */
    dateToLocalString: function(date, sep) {
        // TODO: refactor to actually support locales
        if (!date || !date.getUTCDate) {date = new Date();}
        sep = (jQuery.trim(sep) != "") ? sep : "/";
        return (date.getUTCMonth()+1).toLeadZero(2) + sep + (date.getUTCDate()).toLeadZero(2) + sep + date.getUTCFullYear();
    },
    
    /**
     * Convert "string date" to date
     * @param {String} dateNum : a string representation of a date in the format "YYYYMMDD"
     * @return {Date}
     */
    dateNumToDate: function(dateNum) {
        if (!dateNum || !dateNum.toInt() || typeOf (dateNum.toInt()) != "number") {return false;}
        return (new Date(dateNum.slice(0,3).toInt(), dateNum.slice(4,5).toInt(), dateNum.slice(6,8).toInt()));
    },
    
    /**
     * Convert date to "string date".
     * @param {Date} date
     * @return {String} : a string represention of a date in the format "YYYYMMDD"
     */
    dateToDateNum: function(date) {
        if (!date || !date.getUTCDate) {date = new Date();}
        return (date.getUTCFullYear() + (date.getUTCMonth()+1).toLeadZero(2) + (date.getUTCDate()).toLeadZero(2));
    }
    
};

})();


//datePickerController.addEvent(window, 'load', datePickerController.create);
datePickerController.addEvent(window, 'unload', datePickerController.destroy);

// map global var to the ha namespace 
ha.util.datePickControl = datePickerController;

/**
 * Convert number to string with leading zeroes
 * @param {Int} num : digits desired
 * @return {String}
 */
Number.prototype.toLeadZero = function(num){
    var arr = String(this).split(".");
    var neg = (arr[0].indexOf("-") == -1) ? "" : "-";
    var str = arr[0].replace("-", "");
    var dec = (arr.length > 1 && arr[1] != "") ? "."+arr[1] : "";
    for (i = num - str.length; i > 0; i--) {
        str = "0" + str;
    }
    //console.log(this + ", " + num + ": ", neg + str + dec);
    return (neg + str + dec);
};

/**
 * An inline setInterval method calls this function after the element obj's are created.
 * This function sets datePickControl.linkDates when the obj is ready and clears the timer.
 * The dpCnt incremental safeguards against an infinite loop.
 */
var dpCnt = 0;
function setDatePicker(arriveDate,departDate){
	if (typeof ha.util.datePickControl != 'undefined')
	{
		ha.util.datePickControl.linkDates(arriveDate, departDate);
		dpInt = window.clearInterval(dpInt);
		dpCnt++;
	}
	else if (dpCnt == 10)
	{
		dpInt = window.clearInterval(dpInt);
	}
}

$j(document).ready(function(){
	ha.util.datePickControl.linkDates('startDateInput','endDateInput');
});