create_menu = function(){
	var eSwitch = YAHOO.util.Event;
	
	return{
		init: function(){
			eSwitch.onAvailable('index_menu', this.build_menu);
		},
		
		build_menu: function(){
			var menu_bar = new YAHOO.widget.MenuBar("index_menu",
			{
				autosubmenudisplay: true, 
                hidedelay: 750
			});
			
			menu_bar.render();
		}
		
	};
}();

create_menu.init();