^_^昨天给人回答时写的,看看是不是你要地<html>
<body>
背<p/>景<p/>的<p/>内<p/>容
<input type="button" value="结贴" onclick="locking()"/>
<div id="ly" style="position: absolute; top: 0px; filter: alpha(opacity=60); background-color: #777;
z-index: 2; left: 0px; display: none;">
</div>
<div id="Layer2" align="center" style="position: absolute; z-index: 3; left: expression((document.body.offsetWidth-400)/2); top: expression((document.body.offsetHeight-170)/2);
background-color: #fff; display: none;" >
<table width="400" border="0" cellpadding="0" cellspacing="0" style="border: 0 solid #e7e3e7;
border-collapse: collapse">
<tr>
<td style="background-color: #73A2d6; color: #fff; padding-left: 4px; padding-top: 2px;
font-weight: bold; font-size: 14px;" height="27" valign="middle">
内容标题
</td>
</tr>
<tr>
<td>
内容<P/>内容<P/>内容<P/>内容<P/>
</td>
<tr>
<td><input type="button" value="关闭这个" onclick="document.all.ly.style.display='none';document.all.Layer2.style.display='none'"/></td>
</tr>
</tr>
</table>
</div>
</form>
<script language=javascript>
function locking()
{
document.all.ly.style.display="block";
document.all.ly.style.width=document.body.clientWidth;
document.all.ly.style.height=document.body.clientHeight;
document.all.Layer2.style.display='block';
}
</script>
</body>
</HTML>
<body>
背<p/>景<p/>的<p/>内<p/>容
<input type="button" value="结贴" onclick="locking()"/>
<div id="ly" style="position: absolute; top: 0px; filter: alpha(opacity=60); background-color: #777;
z-index: 2; left: 0px; display: none;">
</div>
<div id="Layer2" align="center" style="position: absolute; z-index: 3; left: expression((document.body.offsetWidth-400)/2); top: expression((document.body.offsetHeight-170)/2);
background-color: #fff; display: none;" >
<table width="400" border="0" cellpadding="0" cellspacing="0" style="border: 0 solid #e7e3e7;
border-collapse: collapse">
<tr>
<td style="background-color: #73A2d6; color: #fff; padding-left: 4px; padding-top: 2px;
font-weight: bold; font-size: 14px;" height="27" valign="middle">
内容标题
</td>
</tr>
<tr>
<td>
内容<P/>内容<P/>内容<P/>内容<P/>
</td>
<tr>
<td><input type="button" value="关闭这个" onclick="document.all.ly.style.display='none';document.all.Layer2.style.display='none'"/></td>
</tr>
</tr>
</table>
</div>
</form>
<script language=javascript>
function locking()
{
document.all.ly.style.display="block";
document.all.ly.style.width=document.body.clientWidth;
document.all.ly.style.height=document.body.clientHeight;
document.all.Layer2.style.display='block';
}
</script>
</body>
</HTML>
给你贴一个代码:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Demo</title>
<style type="text/css">
<!--
*{
margin:0;
padding:0;
}
html,body{
height:100%;
}
#shadow{
position:absolute;
left:0;
top:0;
width:100%;
height:100%;
background-color:#0060C0;
filter:alpha(opacity=20);
opacity:0.2;
}
#box{
position:absolute;
left:50%;
top:50%;
width:400px;
height:180px;
margin:-90px 0 0 -200px;
border:1px solid #84A0C4;
background-color:#DFE8F6;
text-align:center;
}
-->
</style>
<script language="javascript" type="text/javascript">
<!--
function createDiv()
{
var shadow = document.createElement("div");
shadow.setAttribute("id","shadow");
shadow.style.zIndex="10"; var box=document.createElement("div");
box.setAttribute("id","box");
box.style.zIndex="999";
var spanUser=document.createElement("span");
spanUser.innerHTML="User:"; var textUser=document.createElement("input");
textUser.setAttribute("type","text");
textUser.setAttribute("id","textUser"); var button=document.createElement("input");
button.setAttribute("type","button");
button.setAttribute("id","button1");
button.setAttribute("value","Confirm");
button.onclick=hideDiv; box.appendChild(spanUser);
box.appendChild(textUser);
box.appendChild(button); document.body.appendChild(shadow);
document.body.appendChild(box);
}
function hideDiv()
{
var textUser=document.getElementById("textUser");
var user=document.getElementById("user");
user.value=textUser.value; var box=document.getElementById("box");
var shadow=document.getElementById("shadow");
document.body.removeChild(box);
document.body.removeChild(shadow);
}
-->
</script>
</head>
<body>
<div style="text-align:center">
<input id="user" type="text" />
<input id="btnshow" type="button" onclick="createDiv()" value="Display" />
</div>
</body>
</html>