<script type="text/javascript">
function ShowLoginForm()
{
document.getElementById("divv").style.display="";
}
function hideLogin()
{
document.getElementById("divv").style.display = "none";
}
</script>
</head>
<body>
<a href="JavaScript:ShowLoginForm()">登陆</a>
<div id="divv" style="position:absolute;top:300px;left:400px; background-color:transparent;
border:1px solid #0e0c0c;display:none" >
<img src="Images/abb.png" onclick="hideLogin();" style="float:right"/>
<table>
<tr><td>用户名：</td><td><input type="text" /></td><td></td></tr>
<tr><td>密码：</td><td><input type="password"/></td><td></td></tr>
<tr><td></td><td><input type="button" value="确定"/></td><td></td></tr>
</table>
</div>
</body>