// JScript 文件
  var TopStr = document.getElementById("ctl00_hidTopValue").value;					 
  var TempObj_Str = "nav";
  var objControl ="";
  for (i=1;i<=5;i++)
  {
  	objControl = TempObj_Str + i;
  	if (document.getElementById(objControl)!=null)
  	{
   		document.getElementById(objControl).className="";
  	}					  
  }
  var SetControl = "nav" + TopStr;				
  var SetControlClassName = "hover";				 
  document.getElementById(SetControl).className=SetControlClassName;