var top_menu = {};

top_menu.last = null;
top_menu.over = function(obj, id){
	document.getElementById(id).style.display = "";
	if(top_menu.last != null && top_menu.last.id != id){
		top_menu.last.style.display = "none";
	}
	top_menu.last = document.getElementById(id);
}
top_menu.out = function(obj, id){
//	var hide = true;
//	var kkk = obj;
//	while(obj){
//		//alert(obj.tagName);
//		if(obj.tagName == "TD" && ((obj.className == "top_menu") || obj.className == "top_sub_menu")){
//			hide = false;
//		}
//		obj = obj.parentNode;
//	}
//	if(hide){
//		//alert(kkk.tagName);
//		document.getElementById(id).style.display = "none";
//	}
}