function dcountup(startingdate, baseunit){
	this.currentTime=new Date()
	this.startingdate=new Date(startingdate)
	this.timesup=false
	this.baseunit=baseunit
	this.start()
}
dcountup.prototype.oncountup=function(){}
dcountup.prototype.start=function(){
	var thisobj=this
	this.currentTime.setSeconds(this.currentTime.getSeconds()+1)
	var timediff=(this.currentTime-this.startingdate)/1000 
	var oneMinute=60 
	var oneHour=60*60 
	var oneDay=60*60*24
	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"){
		hourfield=dayfield*24+hourfield
		dayfield="n/a"
	}
	else if (this.baseunit=="minutes"){
		minutefield=dayfield*24*60+hourfield*60+minutefield
		dayfield=hourfield="n/a"
	}
	else if (this.baseunit=="seconds"){
		var secondfield=timediff
		dayfield=hourfield=minutefield="n/a"
	}
	var result={days: dayfield, hours:hourfield, minutes:minutefield, seconds:secondfield}
	this.oncountup(result)
	setTimeout(function(){thisobj.start()}, 500)
}

var princewedding=new dcountup("September 01, 2010 00:00:00", "Days")
princewedding.oncountup=function(result){
	var mycountainer=document.getElementById("cpcontainer")
	mycountainer.innerHTML='<strong>Updated since:</strong> '+result['days']+" Days"
}