function cshow(obj){
var tempColl = document.all.tags("div");
for(i=0; i<tempColl.length; i++)
 {
  if ((tempColl(i).id != obj.id) && ((tempColl(i).className == "menusub"))){  
   tempColl(i).style.display = "none";
   }
   
 }
if (obj.style.display=="none")
 {obj.style.display="";}
else
 {obj.style.display="none";}
}