var timerstart=60
var seconds=timerstart

function displayTimer(){ 
	if (seconds <= 0) {
		//start over
		seconds=timerstart
		displayTimer()
		getXML(stage)
		return
	}
 	if (seconds<=-1){
    	seconds+=1 
 	} 
 	else
    	seconds-=1
		stage.findName("timer_txt").text= "Tweets will update in " + seconds + " seconds."
    	setTimeout("displayTimer()",1000) 
}