$(document).ready(function(){
 
$("img.a").hover(
function() {
$(this).animate({"opacity": "0"}, "fast");
},
function() {
$(this).animate({"opacity": "1"}, "fast");
});


$("#products li").hover(function() {
	$(this).find("div").stop()
	.animate({top: "25", opacity:1}, "slow")
	.css("display","block")

}, function() {
	$(this).find("div").stop()
	.animate({top: "0", opacity: 0}, "slow")
	.css("display","none")

});


});