jQuery点击购买按钮弹出商品已售罄提示框特效

js代码

<script type="text/javascript" src="js/jquery1.3.2.js"></script>
<script type="text/javascript">
$(function(){
	$(".but").click(function(){
		$("#faqbg").css({display:"block",height:$(document).height()});
		var yscroll =document.documentElement.scrollTop;
		$("#faqdiv").css("top","100px");
		$("#faqdiv").css("display","block");
		document.documentElement.scrollTop=0;
	});
	$(".close").click(function(){
		$("#faqbg").css("display","none");
		$("#faqdiv").css("display","none");
	});
})
</script>