/*
        DatePicker v4.4 by frequency-decoder.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.
*/
var datePickerController;

(function() {

// Detect the browser language
datePicker.languageinfo = navigator.language ? navigator.language : navigator.userLanguage;
datePicker.languageinfo = datePicker.languageinfo ? datePicker.languageinfo.toLowerCase().replace(/-[a-z]+$/, "") : 'en';

// Load the appropriate language file
var scriptFiles = document.getElementsByTagName('head')[0].getElementsByTagName('script');
var loc = scriptFiles[scriptFiles.length - 1].src.substr(0, scriptFiles[scriptFiles.length - 1].src.lastIndexOf("/")) + "/lang/" + datePicker.languageinfo + ".js";

var script  = document.createElement('script');
script.type = "text/javascript";
script.src  = loc;
script.setAttribute("charset", "utf-8");
/*@cc_on
/*@if(@_win32)
        var bases = document.getElementsByTagName('base');
        if (bases.length && bases[0].childNodes.length) {
                bases[0].appendChild(script);
        } else {
                document.getElementsByTagName('head')[0].appendChild(script);
        };
@else @*/
document.getElementsByTagName('head')[0].appendChild(script);
/*@end
@*/
script  = null;

// Defaults should the locale file not load
datePicker.months       = ["Januar","Februar","M\u00e4rz","April","Mai","Juni","Juli","August","September","Oktober","November","Dezember"];
datePicker.fullDay      = ["Montag","Dienstag","Mittwoch","Donnerstag","Freitag","Samstag","Sonntag"];
datePicker.titles       = ["Voriger Monat","N\u00e4chst. Monat","Voriges Jahr","N\u00e4chst. Jahr","Heute","Kalender zeigen"];

datePicker.getDaysPerMonth = 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];
};

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.fadeTimer         = null;
        this.interval          = new Date();
        this.firstDayOfWeek    = this.defaults.firstDayOfWeek = this.dayInc = this.monthInc = this.yearInc = this.opacity = this.opacityTo = 0;
        this.dateSet           = null;
        this.visible           = false;
        this.disabledDates     = [];
        this.enabledDates      = [];
        this.nbsp              = String.fromCharCode( 160 );
        var o = this;

        o.events = {
                onblur:function(e) {
                        o.removeKeyboardEvents();
                },
                onfocus:function(e) {
                        o.addKeyboardEvents();
                },
                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;

                        if( kc == 13 ) {
                                // close (return)
                                var td = document.getElementById(o.id + "-date-picker-hover");
                                if(!td || td.className.search(/out-of-range|day-disabled/) != -1) return o.killEvent(e);
                                o.returnFormattedDate();
                                o.hide();
                                return o.killEvent(e);
                        } else if(kc == 27) {
                                // close (esc)
                                o.hide();
                                return o.killEvent(e);
                        } else if(kc == 32 || kc == 0) {
                                // today (space)
                                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.
                        /*@cc_on
                        @if(@_win32)
                                if(new Date().getTime() - o.interval.getTime() < 100) return o.killEvent(e);
                                o.interval = new Date();
                        @end
                        @*/

                        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())) );
                                        d.setMonth( d.getMonth() - 1 );
                                } else {
                                        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())) );
                                        d.setMonth( d.getMonth() + 1 );
                                } else {
                                        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)) );
                                        d.setFullYear( d.getFullYear() + 1 );
                                } else {
                                        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)) );
                                        d.setFullYear( d.getFullYear() - 1 );
                                } else {
                                        d = new Date( o.date.getFullYear(), o.date.getMonth(), o.date.getDate() + 7 );
                                };
                        };

                        var tmpDate = new Date(d);

                        if(o.outOfRange(tmpDate)) return o.killEvent(e);
                        
                        var cacheDate = new Date(o.date);
                        o.date = tmpDate;

                        if(cacheDate.getFullYear() != o.date.getFullYear() || cacheDate.getMonth() != o.date.getMonth()) o.updateTable();
                        else {
                                o.disableTodayButton();
                                var tds = o.table.getElementsByTagName('td');
                                var txt;
                                var start = o.date.getDate() - 6;
                                if(start < 0) start = 0;

                                for(var i = start, td; td = tds[i]; i++) {
                                        txt = Number(td.firstChild.nodeValue);
                                        if(isNaN(txt) || txt != o.date.getDate()) continue;
                                        o.removeHighlight();
                                        td.id = o.id + "-date-picker-hover";
                                        td.className = td.className.replace(/date-picker-hover/g, "") + " date-picker-hover";
                                };
                        };
                        return o.killEvent(e);
                },
                gotoToday: function(e) {
                        o.date = new Date();
                        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;

                        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;
                        o.stopTimer();
                        datePickerController.hideAll();
                },
                onmouseover: function(e) {
                        o.stopTimer();
                        var txt = this.firstChild.nodeValue;
                        if(this.className == "out-of-range" || txt.search(/^[\d]+$/) == -1) return;
                        
                        o.removeHighlight();
                        
                        this.id = o.id+"-date-picker-hover";
                        this.className = this.className.replace(/date-picker-hover/g, "") + " date-picker-hover";
                        
                        o.date.setDate(this.firstChild.nodeValue);
                        o.disableTodayButton();
                },
                onclick: function(e) {
                        if(o.opacity != o.opacityTo || this.className.search(/out-of-range|day-disabled/) != -1) 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 txt = el.firstChild.data;
                        if(txt.search(/^[\d]+$/) == -1) return;
                        var n = Number( txt );
                        if(isNaN(n)) { return true; };
                        d.setDate( n );
                        o.date = d;
                        o.returnFormattedDate();
                        if(!o.staticPos) 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;

                        if(el && el.className && el.className.search('fd-disabled') != -1) { return false; }
                        datePickerController.addEvent(document, "mouseup", o.events.clearTimer);
                        o.timerInc      = 800;
                        o.dayInc        = arguments[1];
                        o.yearInc       = arguments[2];
                        o.monthInc      = arguments[3];
                        o.timerSet      = true;

                        o.updateTable();
                        return true;
                },
                clearTimer: function(e) {
                        o.stopTimer();
                        o.timerInc      = 1000;
                        o.yearInc       = 0;
                        o.monthInc      = 0;
                        o.dayInc        = 0;
                        datePickerController.removeEvent(document, "mouseup", o.events.clearTimer);
                }
        };
        o.stopTimer = function() {
                o.timerSet = false;
                window.clearTimeout(o.timer);
        };
        o.removeHighlight = function() {
                if(document.getElementById(o.id+"-date-picker-hover")) {
                        document.getElementById(o.id+"-date-picker-hover").className = document.getElementById(o.id+"-date-picker-hover").className.replace("date-picker-hover", "");
                        document.getElementById(o.id+"-date-picker-hover").id = "";
                };
        };
        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);
                o.fadeTimer = null;
                delete(o.fadeTimer);
                
                var diff = Math.round(o.opacity + ((o.opacityTo - o.opacity) / 4));

                o.setOpacity(diff);

                if(Math.abs(o.opacityTo - diff) > 3 && !o.noTransparency) {
                        o.fadeTimer = window.setTimeout(o.fade, 50);
                } else {
                        o.setOpacity(o.opacityTo);
                        if(o.opacityTo == 0) {
                                o.div.style.display = "none";
                                o.visible = false;
                        } else {
                                o.visible = true;
                        };
                };
        };
        o.killEvent = function(e) {
                e = e || document.parentWindow.event;
                
                if(e.stopPropagation) {
                        e.stopPropagation();
                        e.preventDefault();
                };
                
                /*@cc_on
                @if(@_win32)
                e.cancelBubble = true;
                e.returnValue = false;
                @end
                @*/
                return false;
        };
        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])$/) == -1) range = '';
                o.low = o.defaults.low = range;
                if(o.staticPos) o.updateTable(true);
        };
        o.setRangeHigh = function(range) {
                if(String(range).search(/^(\d\d?\d\d)(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])$/) == -1) range = '';
                o.high = o.defaults.high = range;
                if(o.staticPos) o.updateTable(true);
        };
        o.setDisabledDays = function(dayArray) {
                o.disableDays = o.defaults.disableDays = dayArray;
                if(o.staticPos) o.updateTable(true);
        };
        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])$/) != -1) fin[fin.length] = dateArray[i];
                };
                if(fin.length) {
                        o.disabledDates = fin;
                        o.enabledDates = [];
                        if(o.staticPos) o.updateTable(true);
                };
        };
        o.setEnabledDates = function(dateArray) {
                var fin = [];
                for(var i = dateArray.length; i-- ;) {
                        if(dateArray[i].match(/^(\d\d\d\d|\*\*\*\*)(0[1-9]|1[012]|\*\*)(0[1-9]|[12][0-9]|3[01]|\*\*)$/) != -1 && dateArray[i] != "********") fin[fin.length] = dateArray[i];
                };
                if(fin.length) {
                        o.disabledDates = [];
                        o.enabledDates = fin;
                        if(o.staticPos) o.updateTable(true);
                };
        };
        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.updateTableHeaders();
                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);
                return [pos[0] - posReal[0] + dsocleft, pos[1] - posReal[1] + dsoctop];
        };
        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";
                if(!o.staticPos) { 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";
                
                if(!o.staticPos) {
                        var elem          = document.getElementById('fd-but-' + o.id);
                        var pos           = o.truePosition(elem);
                        var trueBody      = (document.compatMode && document.compatMode!="BackCompat") ? document.documentElement : document.body;
                        var scrollTop     = window.devicePixelRatio || window.opera ? 0 : trueBody.scrollTop;
                        var scrollLeft    = window.devicePixelRatio || window.opera ? 0 : trueBody.scrollLeft;

                        if(parseInt(trueBody.clientWidth+scrollLeft) < parseInt(osw+pos[0])) {
                                o.div.style.left = Math.abs(parseInt((trueBody.clientWidth+scrollLeft) - osw)) + "px";
                        } else {
                                o.div.style.left  = pos[0] + "px";
                        };

                        if(parseInt(trueBody.clientHeight+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";
                        };
                };
                /*@cc_on
                @if(@_jscript_version <= 5.6)
                if(o.staticPos) return;
                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";
                @end
                @*/
        };
        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 && 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 && 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.createButton = function() {
                if(o.staticPos) { return; };
                
                var but;
                
                if(!document.getElementById("fd-but-" + o.id)) {
                        var inp = o.getElem();
                        
                        but = document.createElement('a');
                        but.href = "#";

                        var span = document.createElement('span');
                        span.appendChild(document.createTextNode(String.fromCharCode( 160 )));

                        but.className = "date-picker-control";
                        but.title = (typeof(fdLocale) == "object" && options.locale && fdLocale.titles.length > 5) ? fdLocale.titles[5] : "";

                        but.id = "fd-but-" + o.id;
                        but.appendChild(span);

                        if(inp.nextSibling) {
                                inp.parentNode.insertBefore(but, inp.nextSibling);
                        } else {
                                inp.parentNode.appendChild(but);
                        };
                } else {
                        but = document.getElementById("fd-but-" + o.id);
                };

                but.onclick = but.onpress = function(e) {
                        e = e || window.event;
                        var inpId = this.id.replace('fd-but-','');
                        try { var dp = datePickerController.getDatePicker(inpId); } catch(err) { return false; };

                        if(e.type == "press") {
                                var kc = e.keyCode != null ? e.keyCode : e.charCode;
                                if(kc != 13) { return true; };
                                if(dp.visible) {
                                        hideAll();
                                        return false;
                                };
                        };

                        if(!dp.visible) {
                                datePickerController.hideAll(inpId);
                                dp.show();
                        } else {
                                datePickerController.hideAll();
                        };
                        return false;
                };
                but = null;
        },
        o.create = function() {