function MenuChange(o,MenuLb,ItemLb,ItemMax){
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=ItemMax;i++){
		   id =MenuLb+i.toString();
		   j = document.getElementById(id);
		   e = document.getElementById(ItemLb+i.toString());
		   if(id != o.id){
				 j.className=MenuLb+"_hide";
				 e.style.display = "none";
		   }else{
				j.className=MenuLb+"_show";
				e.style.display = "block";
		   }
	 }
 }