// Andrew Urquhart : CountDown Timer : www.andrewu.co.uk/clj/countdown/
function CD_UpdateDisplay(strContent,strTagId)
{
	var objHandle=document.getElementById(strTagId);
	if(objHandle&&(typeof objHandle.innerHTML).toString().toLowerCase()!='undefined')
	{
		objHandle.innerHTML=strContent
	}
};

function CD_Tick(strTagId,strEventDate)
{
	var objDateNow=new Date();
	var intMsDelay=1000-objDateNow.getMilliseconds();
	var intEventDate=new Date(strEventDate).valueOf();
	CD_DrawTime(objDateNow,strTagId,intEventDate);
	setTimeout("CD_Tick(\""+strTagId+"\","+intEventDate+")",intMsDelay)
};

function CD_DrawTime(strDate,strTagId,intEventDate)
{
	var intMs=intEventDate-new Date(strDate).valueOf();
	if(intMs<=0)
	{
		intMs=intMs*-1
	};
	var intDays=Math.floor(intMs/864E5);
	intMs=intMs-(intDays*864E5);
	var intHours=Math.floor(intMs/36E5);intMs=intMs-(intHours*36E5);
	var intMinutes=Math.floor(intMs/6E4);intMs=intMs-(intMinutes*6E4);
	var intSeconds=Math.floor(intMs/1000);
	//var strTimeString=intDays+" day"+(intDays==1?" ":"s ")+CD_ZP(intHours)+"h "+CD_ZP(intMinutes)+"m "+CD_ZP(intSeconds)+"s";
	var strTimeString=intDays+" day"+(intDays==1?" ":"s, ")+CD_ZP(intHours)+" hrs "+CD_ZP(intMinutes)+" minutes ";
//	var strTimeString=intDays;
	
	CD_UpdateDisplay(strTimeString,strTagId)
};

function CD_ZP(objVal)
{
	var str=""+objVal;return(str.length<2?"0"+str:str)
};

function CD_Init()
{
	var strTagPrefix="countdown";
	var objHandle=true;
	
	if(document.getElementById)
	{
		for(var i=1;objHandle;++i)
		{
			var strElementName=strTagPrefix+i;objHandle=document.getElementById(strElementName);
			if(objHandle&&(typeof objHandle.innerHTML).toString().toLowerCase()!='undefined')
			{
				var strDate=objHandle.innerHTML;
				if(!isNaN(new Date(strDate)))
				{
					CD_Tick(strElementName,strDate);
					if(objHandle.style)
					{
						objHandle.style.visibility="visible"
					}
				} else {
					objHandle.innerHTML=strDate+"<a href=\"http://www.andrewu.co.uk/clj/countdown/\" title=\"Countdown Error:Invalid date format used,check documentation (see link)\">*</a>"
				}
			}
		}
	}
};
	
if(window.attachEvent)
{
	window.attachEvent('onload',CD_Init)
} else if(window.addEventListener) {
	window.addEventListener("load",CD_Init,false)
} else {window.onload=CD_Init};