点击login显示登录的输入框，可以点击关闭按钮关闭
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="style.css" type="text/css" media="screen" />
<link rel="stylesheet" href="fx.slide.css" type="text/css" media="screen" />
<script src="jquery-1.3.1.min.js" type="text/javascript"></script>
<script language="javascript" >
$(function(){
$("#toggleLogin").toggle(function(){
$("#login").parent("div").animate({ height : 105 } , 520 );
$("#login").animate({marginTop : 0 } , 500 );
$(this).blur();
},function(){
$("#login").parent("div").animate({ height : 0 } , 500 );
$("#login").animate({marginTop : -105 } , 520 );
$(this).blur();
});
$("#closeLogin").click(function(){
$("#login").parent("div").animate({ height : 0 } , 500 );
$("#login").animate({marginTop : -105 } , 520 );
});
})
</script>
</head>
<body>
<!-- Login -->
<div style="margin: 0px; overflow: hidden; position: relative; height: 0px;">
<div >http://www.corange.cn/archives/2010/04/3615.html