/***********************************************
	* Dynamic Countdown script- © Dynamic Drive (http://www.dynamicdrive.com)
	* This notice MUST stay intact for legal use
	* Visit http://www.dynamicdrive.com/ for this script and 100s more.
	***********************************************/

	function cdtime(container, targetdate){
		if (!document.getElementById || !document.getElementById(container)) return
		this.container=document.getElementById(container)
		this.currentTime=new Date()
		this.targetdate=new Date(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){
		this.baseunit=baseunit
		this.formatresults=functionref
		this.showresults()
	}

	cdtime.prototype.showresults=function(){
		var thisobj=this
		var timediff=(this.targetdate-this.currentTime)/1000 //difference btw target date and current date, in seconds
		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"
		}
		this.container.innerHTML=this.formatresults(dayfield, hourfield, minutefield, secondfield)
		setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
	}

	/////CUSTOM FORMAT OUTPUT FUNCTIONS BELOW//////////////////////////////

	//Create your own custom format function to pass into cdtime.displaycountdown()
	//Use arguments[0] to access "Days" left
	//Use arguments[1] to access "Hours" left
	//Use arguments[2] to access "Minutes" left
	//Use arguments[3] to access "Seconds" left

	//The values of these arguments may change depending on the "baseunit" parameter of cdtime.displaycountdown()
	//For example, if "baseunit" is set to "hours", arguments[0] becomes meaningless and contains "n/a"
	//For example, if "baseunit" is set to "minutes", arguments[0] and arguments[1] become meaningless etc

	function formatresults2(){
		if (this.timesup==false){ //if target date/time not yet met
			argument1 = formatArgument(arguments[0],"day");
			argument2 = formatArgument(arguments[1],"hour");
			argument3 = formatArgument(arguments[2],"minute");
			argument4 = formatArgument(arguments[3],"second");
			
			var displaystring=argument1+" "+argument2+" "+argument3+" "+argument4+"</span>";
		} else { //else if target date/time met
			var displaystring="";
		}
		return displaystring
	}

	function formatArgument(argument,tag){
	//alert(" IN format argument being passed in is: "+argument);
		if(argument == 1){
			argument = argument+"<font class=countdownsmall>"+tag+"</font>";
		} else {
			argument = argument+"<font class=countdownsmall>"+tag+"s</font>";
		}
		return argument;
	}