/* --- Swazz Javascript Calendar ---
/* --- v 1.0 3rd November 2006
By Oliver Bryant
http://calendar.swazz.org */

// Set it to true in script where you need to select past dates
var allow_select_past_dates	=	false;

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;border-collapse:collapse;background:#FFFFFF;border:1px solid #ABABAB;display:none;z-index:100000;" cellpadding=2>');
document.write('<tr><td style="cursor:pointer" onclick="csubm()"><img src="../common/images/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="../common/images/arrowrightmonth.gif"></td></tr>');
document.write('<tr><td align=center style="background:#ABABAB;font:12px Arial">S</td><td align=center style="background:#ABABAB;font:12px Arial">M</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">W</td><td align=center style="background:#ABABAB;font:12px Arial">T</td><td align=center style="background:#ABABAB;font:12px Arial">F</td><td align=center style="background:#ABABAB;font:12px Arial">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;
// Pj Date Format Variables
var GlobalDateFormat='dd/mm/yyyy';
var displayYear=0;

function lcs(ielem,dateformat) {
	GlobalDateFormat =(dateformat=='')?'dd/mm/yyyy':dateformat;
	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;
	// Restore the format as it was working...
	curdt = RestorePrevFormat(curdt,GlobalDateFormat);
	curdtarr=curdt.split('/');
	isdt=true;
	for(var k=0;k<curdtarr.length;k++) {
		if (isNaN(curdtarr[k]))
			isdt=false;
	}
	if (isdt&(curdtarr.length==3)) {
		ccm=curdtarr[1]-1;
		ccy=curdtarr[2];
		prepcalendar(curdtarr[0],curdtarr[1]-1,curdtarr[2]);
	}
	// Rebuild calendar when called so disabled days can be reenabled when allow_select_past_dates option is true
	prepcalendar('',ccm,ccy);
}

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='#FFCC66';
}
function cs_out(e) {
	evtTgt(EvtObj(e)).style.background='#C4D3EA';
}
function cs_click(e) {
	updobj.value=PJDateFormat(calvalarr[evtTgt(EvtObj(e)).id.substring(1,evtTgt(EvtObj(e)).id.length)],GlobalDateFormat);
	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='#C4D3EA';
	obj.style.font='10px Arial';
	obj.style.color='#333333';
	obj.style.textAlign='center';
	obj.style.textDecoration='none';
	obj.style.border='1px solid #6487AE';
	obj.style.cursor='pointer';
}

function f_cpps(obj) {
	obj.style.background='#C4D3EA';
	obj.style.font='10px Arial';
	obj.style.color='#ABABAB';
	obj.style.textAlign='center';
	obj.style.textDecoration='line-through';
	obj.style.border='1px solid #6487AE';
	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 #6487AE';
	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 && !allow_select_past_dates)
				f_cpps(getObj('v'+parseInt(d)));
			else if (htd)
				f_hds(getObj('v'+parseInt(d)));
			else
				f_cps(getObj('v'+parseInt(d)));

			if(allow_select_past_dates)
			{
				getObj('v'+parseInt(d)).onmouseover=cs_over;
				getObj('v'+parseInt(d)).onmouseout=cs_out;
				getObj('v'+parseInt(d)).onclick=cs_click;
			}
			else
			{
				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);
}

// check if you can go backward in dates
function cdayf() 
{
	if(allow_select_past_dates)
		return;
	
	if ((ccy>sccy)|((ccy==sccy)&&(ccm>=sccm)))
		return;
	else 
	{
		ccy=sccy;
		ccm=sccm;
	}
}

/////////////// EXTRA CODE FOPR DATE FORMAT FOR PJ ////////////////
//Restores date in dd/mm/yyyy format in all cases
function RestorePrevFormat(value,format)
{ 

var dateparts;
var delim;
var finalDate;
var P1;
var P2;
var P3;
if(value=='dd/mm/yyyy' || value=='')
{
	format = 'dd/mm/yyyy';
}
//alert(format);	
	switch(format)
	{
		
		case 'dd/mm/yyyy': 
							{ 
							if(value=='')
							{
								finalDate='';
							}
							else
							{
							finalDate = 'dd/mm/yyyy';
							}
							return finalDate;
							}
							break;
							
		case '%d/%m/%Y': 
							{  
							 delim='/';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];
							 finalDate = P1+delim+P2+delim+P3;
							 return finalDate;
							}
							break;
		case '%m/%d/%Y': 
							{  
							delim='/';
							dateparts= value.split(delim);
							P1=dateparts[0];
							P2=dateparts[1];
							P3=dateparts[2];											
							finalDate = P2+delim+P1+delim+P3;
							return finalDate;
							}
							break;
		case '%d-%m-%Y':  
							{  
							 delim='-';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];								
							 delim='/';
							 finalDate = P1+delim+P2+delim+P3;
							return finalDate;
							}
							break;
		case '%d/%m/%y': 
							{  
							 delim='/';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];
							 finalDate = P1+delim+P2+delim+returnYYYY(P3);
							 return finalDate;
							}
							break;
		case '%m/%d/%y': 
							{  
							 delim='/';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];															
							 finalDate = P2+delim+P1+delim+returnYYYY(P3);							
							 return finalDate;
							}
							break;
							
		case '%d/%m/%Y %H:%M':  
							{  
							 delim='/';							
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];								
							 finalDate = P1+delim+P2+delim+P3;
  							 return finalDate;
							}
							break;
							
		case '%d-%m-%Y %H:%M':
							{  
							 delim='-';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];									
							 delim='/';
							 finalDate = P1+delim+P2+delim+P3;
							 return finalDate;
							}
							break;
		case '%H:%M %d-%m-%Y': 
							{  
							 delim='-';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];							
							 delim='/';
							finalDate =P1+delim+P2+delim+P3;
							return finalDate;
							}
							break;
		case '%H:%M %m-%d-%Y':
							{  
							 delim='-';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];							
							 delim='/';
							 finalDate = P2+delim+P1+delim+P3;
							 return finalDate;
							}
							break;
		case '%H:%M %d/%m/%Y': 
							{  
							 delim='/';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];								
							 finalDate = P1+delim+P2+delim+P3;
							 return finalDate;
							}
							break;
		case '%H:%M %d-%m-%Y':
							{ 
							 delim='-';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];							
							 delim='/';
							 finalDate = P1+delim+P2+delim+P3;
							 return finalDate;
							}
							break;
		case '%H:%M %m/%d/%Y':
							{  
							 delim='/';
							 dateparts= value.split(delim);
							 P1=dateparts[0];
							 P2=dateparts[1];
							 P3=dateparts[2];
							 finalDate = P2+delim+P1+delim+P3;
							 return finalDate;
							}
							break;
		default: 			{ 
							return value;
							}
	}


}
//Returns  date in yyyy format if date is in YY format
function returnYYYY(display_year)
{
var addYear;	
(display_year.length==4)?addYear=0:addYear=2000;
return (addYear+parseFloat(display_year));
}

//Returns date in PJ's Date format in all cases
function PJDateFormat(value,format)
{
	var d = new Date();
	var dateparts= value.split('/');
	var delim='';
	var finalDate='';
	var DD=dateparts[0];
	var MM=dateparts[1];
	var YYYY=dateparts[2];
	var YY=(dateparts[2].length==4)?dateparts[2].substring(2,4):dateparts[2];
	var h = d.getHours();   
	var m = d.getMinutes();    
	var s = d.getSeconds();    

	switch(format)
	{
		
		case '%d/%m/%Y': 
							{  
							delim='/';
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%m/%d/%Y': 
							{  
							delim='/';
							finalDate = MM+delim+DD+delim+YYYY;
							return finalDate;
							}
							break;
		case '%d-%m-%Y':  
							{  
							delim='-';
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%d/%m/%y':
							{  
							delim='/';
							finalDate = DD+delim+MM+delim+YY;
							return finalDate;
							}
							break;
		case '%m/%d/%y':  
							{  
							delim='/';
							finalDate = MM+delim+DD+delim+YY;
							return finalDate;
							}
							break;
							
		case '%d/%m/%Y %H:%M': 
							{  
							delim='/';
							//finalDate = DD+delim+MM+delim+YYYY+' '+h+''+m;
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
							
		case '%d-%m-%Y %H:%M':
							{  
							delim='-';
							//finalDate = DD+delim+MM+delim+YYYY+' '+h+''+m;
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%H:%M %d-%m-%Y': 
							{  
							delim='-';
							//finalDate = h+''+m+' '+DD+delim+MM+delim+YYYY;
							finalDate =DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%H:%M %m-%d-%Y': 
							{  
							delim='-';
							//finalDate = h+''+m+' '+MM+delim+DD+delim+YYYY;
							finalDate = MM+delim+DD+delim+YYYY;
							return finalDate;
							}
							break;
		case '%H:%M %d/%m/%Y':
							{  
							delim='/';
							//finalDate = h+''+m+' '+DD+delim+MM+delim+YYYY;
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%H:%M %d-%m-%Y': 
							{ 
							delim='-'; 
							//finalDate = h+':'+m+' '+DD+delim+MM+delim+YYYY;
							finalDate = DD+delim+MM+delim+YYYY;
							return finalDate;
							}
							break;
		case '%H:%M %m/%d/%Y':
							{  
							delim='/';
							//finalDate = h+':'+m+' '+MM+delim+DD+delim+YYYY;
							finalDate = MM+delim+DD+delim+YYYY;
							return finalDate;
							}
							break;
		default: return value;
	}
}
