function cdtime(container, targetdate, startdate){ 
//alert(container+''+targetdate);
if (!document.getElementById || !document.getElementById(container)) 
return
//alert(targetdate+"=========="+container);
this.container=document.getElementById(container);
this.containerId=container;
this.currentTime=new Date(startdate)
this.targetdate=new Date(targetdate)
//alert("Current : " + this.currentTime);
//alert("Target  : " + this.targetdate);
this.timesup=false
this.updateTime()
}

cdtime.prototype.updateTime=function(){
var thisobj=this
this.currentTime.setSeconds(this.currentTime.getSeconds()+1)
setTimeout(function(){thisobj.updateTime()}, 1000) //update time every second
}

cdtime.prototype.displaycountdown=function(baseunit, functionref){	
//alert(baseunit);
//alert(functionref);
this.baseunit=baseunit
this.formatresults=functionref
this.showresults()
}

cdtime.prototype.showresults=function(){
var thisobj=this

/*alert('target '+this.targetdate);
alert('curtime '+this.currentTime);*/
var timediff=parseInt((this.targetdate-this.currentTime)/1000)//difference btw target date and current date, in seconds
//alert('Time diff '+timediff);
if (timediff<0){
	//if time is up
this.timesup=true
this.container.innerHTML=this.formatresults()

return
}
var oneMinute=60 //minute unit in seconds
var oneHour=60*60 //hour unit in seconds
var oneDay=60*60*24 //day unit in seconds
var dayfield=Math.floor(timediff/oneDay)
var hourfield=Math.floor((timediff-dayfield*oneDay)/oneHour)
var minutefield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour)/oneMinute)
var secondfield=Math.floor((timediff-dayfield*oneDay-hourfield*oneHour-minutefield*oneMinute))
if (this.baseunit=="hours"){ //if base unit is hours, set "hourfield" to be topmost level
hourfield=dayfield*24+hourfield
dayfield="n/a"
}
else if (this.baseunit=="minutes"){ //if base unit is minutes, set "minutefield" to be topmost level
minutefield=dayfield*24*60+hourfield*60+minutefield
dayfield=hourfield="n/a"
}
else if (this.baseunit=="seconds"){ //if base unit is seconds, set "secondfield" to be topmost level
var secondfield=timediff
dayfield=hourfield=minutefield="n/a"
}


/*alert('day'+dayfield);
alert('hr'+hourfield);*/

this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield)

setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
}


function formatresults(){
if (this.timesup==false){//if target date/time not yet met
//alert(arguments[1]);
	
	//Avoid zero date
	if (arguments[0] > 0)
		var displaystring = arguments[0]+" days "+" "+arguments[1]+" hours "+arguments[2]+" minutes "+arguments[3]+" seconds  "
	else
		var displaystring = arguments[0]+" days "+" "+arguments[1]+" hours "+arguments[2]+" minutes "+arguments[3]+" seconds  "
}
else{ //else if target date/time met
//changeImage(this.containerId);
var displaystring = "Closed!";
window.location.reload();
}
return displaystring
}