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)



}







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"){



var secondfield=timediff



dayfield=hourfield=minutefield="n/a"



}



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



setTimeout(function(){thisobj.showresults()}, 1000) }







function formatresults2(){



if (this.timesup==false){ //if target date/time not yet met



var displaystring="<center><span class='lcdstyle'>"+arguments[0]+" <sup>days</sup> left!</span></center>"
//var displaystring="<span class='lcdstyle'>"+arguments[0]+" <sup>days</sup> "+arguments[1]+" <sup>hours</sup> "+arguments[2]+" <sup>minutes</sup> "+arguments[3]+" <sup>seconds</sup> left!</span>"



}



else{ //else if target date/time met





var displaystring="<center><span class='lcdstyle'>The ASHE 2009 National Conference is here! </span></center>"




}



return displaystring



}