function Calendar(id,lang,popupFunction) {
    this.Id = id;
    this.Lang = lang;
    this.PopupFunction = popupFunction;
    
    this.mnn=new Array('31','28','31','30','31','30','31','31','30','31','30','31');
    this.mnl=new Array('31','29','31','30','31','30','31','31','30','31','30','31');
    this.calvalarr=new Array(42);
    
    this.now=new Date();
    this.sccm=this.now.getMonth();
    this.sccy=this.now.getFullYear();
    this.ccm=this.now.getMonth();
    this.ccy=this.now.getFullYear();
    this.cnt=0;
    this.lastDay=0;
    
    if (this.Lang=="DK")
        this.mn=new Array('JAN','FEB','MAR','APR','MAJ','JUN','JUL','AUG','SEP','OKT','NOV','DEC');
    else
        this.mn=new Array('JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC');
    this.PrintCal();
    this.PrepCalendar('',this.ccm,this.ccy);
} 
Calendar.prototype.Init = function(errTxtRoute,errTxtDate,urlNoBookingInfo,ie6hack,days,dayDD,monthDD,yearDD,testDD,routeDD) {
    this.ErrTxtRoute = errTxtRoute;
    this.ErrTxtDate = errTxtDate;
    this.UrlNoBookingInfo = urlNoBookingInfo;
    this.ie6hackFunction = ie6hack;
    this.DisableIE6HackOnPageClick = false;
    this.AvailableDays=days;
    this.DayDD=dayDD;
    this.MonthDD=monthDD;
    this.YearDD=yearDD;
    this.TestDD=testDD;
    this.RouteDD=routeDD;

    if (this.AvailableDays != null)
        this.InitDropDowns();

    this.now=new Date();

    var nextDate = this.GetNextDate();
    this.TestDD.value=nextDate.getDate()+"/"+(nextDate.getMonth()+1)+"/"+nextDate.getFullYear();
    this.UpdateDD();
}
Calendar.prototype.FrontpageHack = function(top,left,disableIE6HackOnPageClick) {
    this.Top = top;
    this.Left = left;
    this.DisableIE6HackOnPageClick = disableIE6HackOnPageClick;
}
Calendar.prototype.PrintCal = function() {
    document.write('<table id="' + this.Id + '_fc" class="CalTable" style="display:none">');
    document.write('<tr><td class="ArrowCell" onclick="' + this.Id + '.csubm()" id="' + this.Id + '_leftArrowTD" ><img src="/eprise/Scandlines/Internet/_Common/Images/v3/arrowleftmonth.gif"></td><td colspan="5" class="MonthNameCell" id="' + this.Id + '_mns" ></td><td class="ArrowCell" id="' + this.Id + '_rightArrowTD" onclick="' + this.Id + '.caddm()"><img src="/eprise/Scandlines/Internet/_Common/Images/v3/arrowrightmonth.gif"></td></tr>');
    if (this.Lang=="DK")
        document.write('<tr><th>M</th><th>T</th><th>O</th><th>T</th><th>F</th><th>L</th><th>S</th></tr>');
    else
        document.write('<tr><th>M</th><th>T</th><th>W</th><th>T</th><th>F</th><th>S</th><th>S</th></tr>');
    for(var kk=1;kk<=6;kk++) {
        document.write('<tr>');
        for(var tt=1;tt<=7;tt++) {
            num=7 * (kk-1) - (-tt);
            document.write('<td id="' + this.Id + '_v' + num + '" style="width:23px;height:18px;">&nbsp;</td>');
        }
        document.write('</tr>');
    }
    document.write('</table>');

    addEventListener(document.body, "click", this.checkClick, this);
}
Calendar.prototype.PrepCalendar = function(hd,cm,cy) {
    this.now=new Date();
    this.sd=this.now.getDate();
    this.td=new Date();
    this.td.setDate(7);
    this.td.setFullYear(cy);
    this.td.setMonth(cm);
    this.cd=this.td.getDay();
    getObj(this.Id + '_mns').innerHTML=this.mn[cm]+ ' ' + cy;
    this.marr=((cy%4)==0)?this.mnl:this.mnn;
    for(var d=1;d<=42;d++) {
        var x=getObj(this.Id + '_v'+parseInt(d));
        f_cps(x);
        if ((d >= (this.cd -(-1))) && (d<=this.cd-(-this.marr[cm]))) {
            var dip=((d-this.cd < this.sd)&&(cm==this.sccm)&&(cy==this.sccy));
            var htd=((hd!='')&&(d-this.cd==hd));
            if (dip)
                f_cpps(x);
            else if (!this.DayAvailable(new Date(cy, cm, d-this.cd)))
            {
                f_cpps(x);
                dip = true;
            }
            else if (htd)
                f_hds(x);
            else
                f_cps(x);

            x.onmouseover=(dip)?null:cs_over;
            x.onmouseout=(dip)?null:cs_out;
            if (!dip)
                addEventListener(x, "click", this.cs_click, this);
            x.style.height = 18 + "px";
            x.style.width = 23 + "px";
            x.innerHTML=d-this.cd;
            this.calvalarr[d]=''+(d-this.cd)+'/'+(cm-(-1))+'/'+cy;
            this.lastDay = (d-this.cd);
        }
        else
        {
            x.innerHTML='&nbsp;';
            x.onmouseover=null;
            x.onmouseout=null;
            x.style.cursor='default';
        }
    
        if((d < 7) && (x.innerHTML == '&nbsp;'))this.cnt++;
        if((d > 7) && (x.innerHTML == '&nbsp;'))
        {
            x.innerHTML='';
            x.style.height = 0;
            x.style.width = 0;
        }
    }

    var fill = 7 - (this.lastDay+this.cnt)%7;    
    if(fill != 7)
    {
        var temp = fill+1;
        while(temp-- != 0)
        {
            x=getObj(this.Id + '_v'+(this.lastDay+this.cnt+temp));
            x.style.height = 18 + "px";
            x.style.width = 23 + "px";
        }
    }    
    this.cnt=0;
}
Calendar.prototype.UpdateHiddenField = function()
{
    this.TestDD.value = this.DayDD.value + '/' + this.MonthDD.value + '/' + this.YearDD.value;
}
Calendar.prototype.UpdateDD = function()
{
    var x = this.TestDD.value.split('/');
    var day = x[0];
    var month = x[1];
    var year = x[2];
    
    SetDropDown(this.YearDD, year);
    
    if (this.DayAvailable != null)
        this.InitDropDownMonths();
    
    SetDropDown(this.MonthDD, month);
    
    if (this.DayAvailable != null)
        this.InitDropDownDays();
    
    SetDropDown(this.DayDD, day);
}
Calendar.prototype.SetDate = function(day, month, year) {
    this.TestDD.value=day+"/"+month+"/"+year;
    this.UpdateDD();
}
Calendar.prototype.lcs = function() {
    this.ie6hackFunction(false);
    var x = getObj(this.Id + '_fc').style;
    if (this.Left == null)
        x.left=Left(this.DayDD)-30 + "px";
    else
        x.left=this.Left + "px";
    if (this.Top == null)
        x.top=Top(this.DayDD)-50 + "px";//+posElm.offsetHeight;
    else
        x.top=this.Top + "px";
    x.display='';
    
    // First check date is valid
    var curdt=this.TestDD.value;
    var curdtarr=curdt.split('/');
    var isdt=true;
    for(var k=0;k<curdtarr.length;k++) {
        if (isNaN(curdtarr[k]))
            isdt=false;
    }
    if (isdt&(curdtarr.length==3)) {
        this.ccm=curdtarr[1]-1;
        this.ccy=curdtarr[2];
        this.PrepCalendar(curdtarr[0],curdtarr[1]-1,curdtarr[2]);
    }
}
Calendar.prototype.cs_click = function(e) {
    var clickedId = evtTgt(EvtObj(e)).id;
    var count = clickedId.substring(this.Id.length+2,clickedId.length);
    this.TestDD.value=this.calvalarr[count];
    getObj(this.Id + '_fc').style.display='none';
    this.UpdateDD();
    this.ie6hackFunction(true);
}
Calendar.prototype.checkClick = function(e) {
    e?evt=e:evt=event;
    CSE=evt.target?evt.target:evt.srcElement;
    var fc = getObj(this.Id + '_fc');
    if (!fc)
        return;
    else if (!isChild(CSE,fc) && !this.DisableIE6HackOnPageClick)
    {
        fc.style.display='none';
        this.ie6hackFunction(true);
    }
}
Calendar.prototype.caddm = function() {
    this.marr=((this.ccy%4)==0)?this.mnl:this.mnn;
    
    this.ccm+=1;
    if (this.ccm>=12) {
        this.ccm=0;
        this.ccy++;
    }
    this.cdayf();
    this.PrepCalendar('',this.ccm,this.ccy);
}
Calendar.prototype.csubm = function() {
    this.marr=((this.ccy%4)==0)?this.mnl:this.mnn;
    
    this.ccm-=1;
    if (this.ccm<0) {
        this.ccm=11;
        this.ccy--;
    }
    this.cdayf();
    this.PrepCalendar('',this.ccm,this.ccy);
}
Calendar.prototype.cdayf = function() {
if ((this.ccy>this.sccy)|((this.ccy==this.sccy)&&(this.ccm>=this.sccm)))
    return;
else {
    this.ccy=this.sccy;
    this.ccm=this.sccm;
    //this.cfd=this.scfd;
    }
}
Calendar.prototype.DayAvailable = function(obj){
    if (this.AvailableDays == null)
        return true;
    var i = this.AvailableDays.length;
    while (i--){
        var date = new Date(Date.parse(this.AvailableDays[i]));
        if (date.toString() == obj.toString())
            return true;
    }
    return false;
}
Calendar.prototype.InitDropDowns = function(){
    if (this.AvailableDays == null)
        return;

    addEventListener(this.YearDD, "change", this.InitDropDownMonths, this);
    addEventListener(this.MonthDD, "change", this.InitDropDownDays, this);
    
    this.InitDropDownYears();
}
Calendar.prototype.InitDropDownYears = function(){
    if (this.AvailableDays == null)
        return;
    
    this.YearDD.options.length = 0;
    
    // Fill years
    for (var i = 0; i < this.AvailableDays.length; i++)
    {
        var date = new Date(Date.parse(this.AvailableDays[i]));
        var year = date.getFullYear();
        
        AppendInDropDown(this.YearDD, year, year);
    }
    
    this.InitDropDownMonths();
}
Calendar.prototype.InitDropDownMonths = function(){
    if (this.AvailableDays == null)
        return;
    
    this.MonthDD.options.length = 0;
    var selectedYear = GetSelectedValue(this.YearDD);
    
    // Fill months
    for (var i = 0; i < this.AvailableDays.length; i++)
    {
        var date = new Date(Date.parse(this.AvailableDays[i]));
        var month = date.getMonth()+1;
        var year = date.getFullYear();
        
        if (year == selectedYear)
            AppendInDropDown(this.MonthDD, month, month);
    }
    
    this.InitDropDownDays();
}
Calendar.prototype.InitDropDownDays = function(){
    if (this.AvailableDays == null)
        return;
    
    this.DayDD.options.length = 0;
    var selectedYear = GetSelectedValue(this.YearDD);
    var selectedMonth = GetSelectedValue(this.MonthDD);
    
    // Fill days
    for (var i = 0; i < this.AvailableDays.length; i++)
    {
        var date = new Date(Date.parse(this.AvailableDays[i]));
        var day = date.getDate();
        var month = date.getMonth()+1;
        var year = date.getFullYear();
        
        if (month == selectedMonth && year == selectedYear)
            AppendInDropDown(this.DayDD, day, day);
    }
}
Calendar.prototype.GetNextDate = function(){
    var today = new Date();
    today.setFullYear(today.getFullYear(), today.getMonth(), today.getDay());
	today.setHours(0,0,0,0);
    if (this.AvailableDays == null)
        return today;
        
    for (var i = 0; i < this.AvailableDays.length; i++)
    {
        var date = new Date(Date.parse(this.AvailableDays[i]));
        
        if (date >= today)
            return date;
    }
    
    return today;
}

function addEventListener(element, eventName, eventHandler, scope) {
    var scopedEventHandler = scope ? function(e) { eventHandler.apply(scope, [e]); } : eventHandler;
    if(element.addEventListener)
        element.addEventListener(eventName, scopedEventHandler, false);
    else if(element.attachEvent)
        element.attachEvent("on"+eventName, scopedEventHandler);
}
function getObj(objID)
{
    if (document.getElementById) {return document.getElementById(objID);}
    else if (document.all) {return document.all[objID];}
    else if (document.layers) {return document.layers[objID];}    
}
function f_cps(obj) {
    obj.style.background='#C2C9DD';
    obj.style.font='10px Arial';
    obj.style.color='#1B295A';
    obj.style.textAlign='center';
    obj.style.textDecoration='none';
    obj.style.border='1px solid #FFFFFF';
    obj.style.cursor='pointer';    
}

function f_cpps(obj) {
    obj.style.background='#C2C9DD';
    obj.style.font='10px Arial';
    obj.style.color='#ABABAB';
    obj.style.textAlign='center';
    obj.style.textDecoration='line-through';
    obj.style.border='1px solid #FFFFFF';
    obj.style.cursor='default';
}

function f_hds(obj) {
    obj.style.background='#F2C800';
    obj.style.font='bold 10px Arial';
    obj.style.color='#1B295A';
    obj.style.textAlign='center';
    obj.style.border='1px solid #FFFFFF';
    obj.style.cursor='pointer';    
}
function cs_over(e) {
    x = evtTgt(EvtObj(e)).style;
    x.background='#C2C9DD';
    x.textDecoration='underline';
}
function cs_out(e) {
    x=evtTgt(EvtObj(e)).style;
    x.background='#C2C9DD';
    x.textDecoration='none';
}
function Z(n){
    return (n<10) ? "0"+n : n;
}
function evtTgt(e)
{
    var el;
    if(e.target)el=e.target;
    else if(e.srcElement)el=e.srcElement;
    if(el.nodeType==3)el=el.parentNode; // defeat Safari bug
    return el;
}
function EvtObj(e){if(!e)e=window.event;return e;}

function isChild(s,d) {
    while(s) {
        if (s==d) 
            return true;
        s=s.parentNode;
    }
    return false;
}
function Left(obj)
{
    var curleft = 0;
    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curleft += obj.offsetLeft
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
        curleft += obj.x;
    return curleft;
}

function Top(obj)
{
    var curtop = 0;
    if (obj.offsetParent)
    {
        while (obj.offsetParent)
        {
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    }
    else if (obj.y)
        curtop += obj.y;
    return curtop;
}
function SetDropDown(dropdown, value)
{
    var foundValue = false;
    for(var i = 0; i < dropdown.options.length; i++)
    {
        if(dropdown.options[i].value == value)
        {
            dropdown.selectedIndex = i;
            foundValue = true;
        }
    }
    if (!foundValue)
        dropdown.selectedIndex = 0;
}
function DropDownContains(dropdown, value)
{
    for(var i = 0; i < dropdown.options.length; i++)
    {
        if(dropdown.options[i].value == value)
            return true;
    }
    return false;
}
function AppendInDropDown(dropdown, text, value)
{
    if (DropDownContains(dropdown, value))
        return;

    var option = document.createElement("option");
    option.text = text;
    option.value = value;

    try {
        dropdown.add(option, null); // standards compliant; doesn't work in IE
    }
    catch(e) {
        dropdown.add(option); // IE only
    }
}
function GetSelectedValue(dropdown)
{
    var index = dropdown.selectedIndex;
    return dropdown[index].value;
}