// JavaScript Document

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 checkClick(e) {
	e?evt=e:evt=event;
	CSE=evt.target?evt.target:evt.srcElement;
	if (getObj('fc'))
		if (!isChild(CSE,getObj('fc')))
			getObj('fc').style.display='none';
}

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;
}

document.write('<table id="fc" style="position:absolute;left:580px;top:316px;z-index:10;border-collapse:collapse;background:#FFFFFF;border:1px solid #02afc8;display:none;" cellpadding=0>');
document.write('<tr><td style="cursor:pointer" onclick="csubm()"><img src="http://www.kullu-manali.net/pic/arrowleftmonth.gif"></td><td colspan=5 id="mns" align="center" style="font:bold 13px Arial"></td><td align="right" style="cursor:pointer" onclick="caddm()"><img src="http://www.kullu-manali.net/pic/arrowrightmonth.gif"></td></tr>');
document.write('<tr style="background:#02afc8;font:12px Arial"><td align=center>S</td><td align=center>M</td><td align=center>T</td><td align=center>W</td><td align=center>T</td><td align=center>F</td><td align=center>S</td></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="v' + num + '" style="width:18px;height:18px">&nbsp;</td>');
	}
	document.write('</tr>');
}
document.write('</table>');


document.all?document.attachEvent('onclick',checkClick):document.addEventListener('click',checkClick,false);


// Calendar script
var now = new Date;
var sccm=now.getMonth();
var sccy=now.getFullYear();
var ccm=now.getMonth();
var ccy=now.getFullYear();

var updobj;

function CustomDateValidation(enteredDate)
			{
			    var validatedate = new RegExp("^(([012]?[0-9]|3[01])-([Jj][Aa][Nn]|[Ff][Ee][bB]|[Mm][Aa][Rr]|[Aa][Pp][Rr]|[Mm][Aa][Yy]|[Jj][Uu][Nn]|[Jj][u]l|[aA][Uu][gG]|[Ss][eE][pP]|[oO][Cc][Tt]|[Nn][oO][Vv]|[Dd][Ee][Cc])-([2][0-9][0-9][0-9]))$");
		        var rdate = validatedate.test(enteredDate);
		        if(rdate == false)
		        {
		              return "Please enter a valid date.";
		        }

			    //checking for future date
			    var customdate=enteredDate.split("/");
			    var tomorrowDate = parseInt(customdate[0],10) + 1; //incrementing by 1 in the todays date becasue without this todays date was failing
			    var splitAndFormed=(customdate[1]+" "+tomorrowDate+","+customdate[2]);
			    //alert(splitAndFormed);
			    var selectedDate=new Date(splitAndFormed);
			    //alert(selectedDate);
			    if (selectedDate<new Date())
			    {
			        return "Please select a future date.";
			    }
			    return "";
			}
			
function lcs(ielem) {
	updobj=ielem;
	getObj('fc').style.left=Left(ielem);
	getObj('fc').style.top=Top(ielem)+ielem.offsetHeight;
	getObj('fc').style.display='';
	
	// First check date is valid
	curdt=ielem.value;
	curdtarr=curdt.split('/');
	if (CustomDateValidation(curdt) == "")
	{
	    ccm = new Date(curdtarr[1]+" "+curdtarr[0]+","+" "+curdtarr[2]).getMonth();
	    ccy=curdtarr[2];
	    prepcalendar(curdtarr[0],ccm,curdtarr[2]);
	}	
}

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 cs_over(e) {
	evtTgt(EvtObj(e)).style.background='#ffffdf';
}
function cs_out(e) {
	evtTgt(EvtObj(e)).style.background='#fdfdfd';
}
function cs_click(e) {
            var origDate = calvalarr[evtTgt(EvtObj(e)).id.substring(1,evtTgt(EvtObj(e)).id.length)];
           // alert(origDate);
			 Date.prototype.toString = function () {return [this.getDate(), ['01', '02', '03', '04', '05', '06',
			  '07', '08', '09', '10', '11', '12'] [this.getMonth()], this.getFullYear()].join('/')}
			  
			  var monthList=new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');

			 var customdate=origDate.split("/");
			 var dt=(customdate[1]+"/"+customdate[0]+"/"+customdate[2]);
			 //a=customdate[2]-2000;
			 monthname=monthList[customdate[1]-1];
			 var dt1=(monthname+" "+customdate[0]+","+customdate[2]);
			// alert(dt1);
			 var selectedDate=new Date(dt1); //varying in IE and Mozilla



	updobj.value=selectedDate.toString();
	getObj('fc').style.display='none';
	
}

var mn=new Array('JAN','FEB','MAR','APR','MAY','JUN','JUL','AUG','SEP','OCT','NOV','DEC');
var mnn=new Array('31','28','31','30','31','30','31','31','30','31','30','31');
var mnl=new Array('31','29','31','30','31','30','31','31','30','31','30','31');
var calvalarr=new Array(42);

function f_cps(obj) {
	obj.style.background='#ffffff';
	obj.style.font='10px Arial';
	obj.style.color='#333333';
	obj.style.textAlign='center';
	obj.style.textDecoration='none';
	obj.style.border='1px solid #e0e0e0';
	obj.style.cursor='pointer';
}

function f_cpps(obj) {
	obj.style.background='#eeeeee';
	obj.style.font='10px Arial';
	obj.style.color='#ABABAB';
	obj.style.textAlign='center';
	obj.style.textDecoration='line-through';
	obj.style.border='1px solid #e0e0e0';
	obj.style.cursor='default';
}

function f_hds(obj) {
	obj.style.background='#FFF799';
	obj.style.font='bold 10px Arial';
	obj.style.color='#333333';
	obj.style.textAlign='center';
	obj.style.border='1px solid #e0e0e0';
	obj.style.cursor='pointer';
}

// day selected
function prepcalendar(hd,cm,cy) {
	now=new Date();
	sd=now.getDate();
	td=new Date();
	td.setDate(1);
	td.setFullYear(cy);
	td.setMonth(cm);
	cd=td.getDay();
	getObj('mns').innerHTML=mn[cm]+ ' ' + cy;
	marr=((cy%4)==0)?mnl:mnn;
	for(var d=1;d<=42;d++) {
		f_cps(getObj('v'+parseInt(d)));
		if ((d >= (cd -(-1))) && (d<=cd-(-marr[cm]))) {
			dip=((d-cd < sd)&&(cm==sccm)&&(cy==sccy));
			htd=((hd!='')&&(d-cd==hd));
			if (dip)
				f_cpps(getObj('v'+parseInt(d)));
			else if (htd)
				f_hds(getObj('v'+parseInt(d)));
			else
				f_cps(getObj('v'+parseInt(d)));

			getObj('v'+parseInt(d)).onmouseover=(dip)?null:cs_over;
			getObj('v'+parseInt(d)).onmouseout=(dip)?null:cs_out;
			getObj('v'+parseInt(d)).onclick=(dip)?null:cs_click;
			
			getObj('v'+parseInt(d)).innerHTML=d-cd;	
			calvalarr[d]=''+(d-cd)+'/'+(cm-(-1))+'/'+cy;
		}
		else {
			getObj('v'+d).innerHTML='&nbsp;';
			getObj('v'+parseInt(d)).onmouseover=null;
			getObj('v'+parseInt(d)).onmouseout=null;
			getObj('v'+parseInt(d)).style.cursor='default';
			}
	}
}

prepcalendar('',ccm,ccy);
//getObj('fc'+cc).style.visibility='hidden';

function caddm() {
	marr=((ccy%4)==0)?mnl:mnn;
	
	ccm+=1;
	if (ccm>=12) {
		ccm=0;
		ccy++;
	}
	cdayf();
	prepcalendar('',ccm,ccy);
}

function csubm() {
	marr=((ccy%4)==0)?mnl:mnn;
	
	ccm-=1;
	if (ccm<0) {
		ccm=11;
		ccy--;
	}
	cdayf();
	prepcalendar('',ccm,ccy);
}

function cdayf() {
if ((ccy>sccy)|((ccy==sccy)&&(ccm>=sccm)))
	return;
else {
	ccy=sccy;
	ccm=sccm;
	//cfd=scfd;
	}
}
function getMonthIdForMonth(month)
{   
    var monthArray = new Array();
    monthArray['01']=0;
    monthArray['02']=1;
    monthArray['03']=2;
    monthArray['04']=3;
    monthArray['05']=4;
    monthArray['06']=5;
    monthArray['07']=6;
    monthArray['08']=7;
    monthArray['09']=8;
    monthArray['10']=9;
    monthArray['11']=10;
    monthArray['12']=11;    
    return monthArray[month];    

}
function enableDisablePreviousDay()
{  
    var prevDay = document.getElementById('prevoiusDay');
    
    if(isNullOrEmpty(prevDay)) return;
    var dateofJourney = calendar.value;
    
    if(dateofJourney == 'dd-mm-yyyy') return;
    
    var currentTime = new Date();     
    dateofJourney = getPreferenceDoj('doj');
    var dojArray = new Array();
    dojArray = dateofJourney.split('/') ;         
    var dojTime = new Date(dojArray[1]+' '+dojArray[0]+','+dojArray[2]);
    if(currentTime.getDate()==dojTime.getDate() && 
       currentTime.getMonth()== dojTime.getMonth() &&
       currentTime.getFullYear() == dojTime.getFullYear()
      )
    {   
         prevDay.style.visibility='hidden';
    }          
}