(function($){
	$.Menu = {
		
		__constructor : function(){
			var me = this;
			me.initConfig();
			
			// targets (bind em elementos passando o evento)
			me.dropDownOver();
		},

		dropDownOver: function() {
			var timerId = 0;
			var indice = 0;
			$("#menutopo ul > li").hover(
				function() {
					indice = $('li').index(this);
					$(this).find("ul:not(':animated')").css("zIndex",indice+1).slideDown("fast");
				},
				function() {
					var _this = this;
					timerId = setTimeout(function() { $(_this).find("ul:not(':animated')").css("zIndex",0).slideUp("fast") }, 200);
				}
			)
		},
		
		initConfig: function() {
			$("#menutopo li ul").hide();
		}
			
	}
})(jQuery);