function ff(){
		setInterval(function(){ 
	document.getElementById("a1").style.height = document.getElementById("item1").clientHeight + "px"; 
	document.getElementById("a2").style.height = document.getElementById("item2").clientHeight + "px"; 
	document.getElementById("a3").style.height = document.getElementById("item3").clientHeight + "px"; 
	document.getElementById("a4").style.height = document.getElementById("item4").clientHeight + "px"; 
	document.getElementById("a5").style.height = document.getElementById("item5").clientHeight + "px"; }, 0);
}