$(function(){
	$("ul.sub").hide();
	$("ul.global_menu li").hover(function(){
		$("ul:not(:animated)",this).slideDown("fast");
	},
	function(){
		$("ul.global_menu li img").removeClass("over");
		$("ul",this).slideUp(0);
	});
});

$(function(){
	  	var imgSrc;
	$("ul.global_menu li.menu").hover(function(){
		imgSrc = $(this).children("a").children("img").attr("src");
		imgSrc = imgSrc.replace("_off","_on");
		$(this).children("a").children("img").attr({src: imgSrc });
	},
	function(){
		imgSrc = $(this).children("a").children("img").attr("src");
		imgSrc = imgSrc.replace("_on","_off");
		$(this).children("a").children("img").attr({src: imgSrc });
	});
});