// JavaScript Document
function $(id){
   return document.getElementById(id);	
}

function dh(obj,showobj,num){
	for (i=0;i<=num;i++){
		$(obj+i).style.backgroundImage="";	
		$(obj+i).style.color="#FFFFFF";
	}
	
	$(showobj).style.backgroundImage="url(/Image/whilt.jpg)"; 
	$(showobj).style.color="#222222";
}