$(document).ready(function(){
	$("ul.pictures").find('li').bind("mouseover",function () { 
		$(this).css("z-index","20");
		$(this).find("div.popup-img").show("slow");
	}).bind("mouseleave",function(){
	$(this).find("div.popup-img").hide("fast");
	  $(this).css("z-index","10");
	});
	var x = true;
	$(".button").bind("mouseover",function () { 
		$(this).find(".popup").show("fast");
		return false;
	}).bind("mouseleave",function(){
		$(this).find(".popup").hide("slow");	
	});
});