java 开发实践

				function setTab(m,n){
				 var tli=document.getElementById("menu"+m).getElementsByTagName("li");
				 var mli=document.getElementById("main"+m).getElementsByTagName("ul");
				 for(i=0;i				  tli[i].className=i==n?"hover":"";
				  mli[i].style.display=i==n?"block":"none";
				 }
				}