function ul(){
	for(var i=1;i<=ul_count;i++){
		var child = this.document.getElementById("ul"+i).childNodes;
		for(var j=0;j<child.length;j++){
			if(child[j].nodeName=='LI'){
				child[j].style.height = 'auto';
			}
		}		
	}
	for(var i=1;i<=ul_count;i++){		
		var height = $("#ul"+i).height();
		var child = this.document.getElementById("ul"+i).childNodes;
		for(var j=0;j<child.length;j++){
			if(child[j].nodeName=='LI'){
				child[j].style.height = height+'px';
			}
		}		
	}
}