/***********************************************
* 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 zeroPad(num,count)
{
	var numZeropad = num + '';
	while(numZeropad.length < count) {
		numZeropad = "0" + numZeropad;
	}
	return numZeropad;
}

function cdtime(container, targetdate){
	var cdDate=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)
		if((!navigator.userAgent.match(/iPhone/i)) && (!navigator.userAgent.match(/iPod/i))) {
			setTimeout(function(){thisobj.showresults()}, 1000) //update results every second
		}
}

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

//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

function addTag(num1){
	var tag = "<span class=\"cdNum cdNum"+num1+"\">"+num1+"</span>"
	return tag
}


function formatresults(){
	//if (this.timesup==false){//if target date/time not yet met
	var dayNum = zeroPad(arguments[0],2).split("",2)
	var hourNum = zeroPad(arguments[1],2).split("",2)
	var minNum = zeroPad(arguments[2],2).split("",2)
	var secNum = zeroPad(arguments[3],2).split("",2)
	
	//dayNum1 = dayNum1
		var displaystring="<p><span id=\"cdDays\">"+addTag(dayNum[0])+addTag(dayNum[1])+" <span class=\"cdLabel\"> days</span></span> "
		displaystring += "<span id=\"cdHours\">"+addTag(hourNum[0])+addTag(hourNum[1])+" <span class=\"cdLabel\"> hours</span></span> "
		displaystring += "<span id=\"cdMin\">"+addTag(minNum[0])+addTag(minNum[1])+" <span class=\"cdLabel\"> minutes</span></span> "
		displaystring += "<span id=\"cdSec\">"+addTag(secNum[0])+addTag(secNum[1])+" <span class=\"cdLabel\"> seconds </span></span> "
		displaystring += "<span id=\"cdDescription\"> until MetroLive.</span>\n <div class=\"clear\"></div>"
	//}
	//else{ //else if target date/time met
	//	var displaystring="00 days 00 hours 00 minutes 00 seconds"
	//}
	return displaystring
}