转自：http://www.iteye.com/problems/1387
2008-07-09 congjl2002 (资深程序员)
如下代码可以锁定页面，思路就是在框架下面加上几个div，然后定义div样式，每次提交后让div覆盖整个页面，提交结束后在隐藏
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>?? </title>
<style type="text/css">
a{ color:#000; font-size:12px;text-decoration:none}
a:hover{ color:#900; text-decoration:underline}
#massage_box{ position:absolute; left:expression((body.clientWidth-40)/2); top:expression((body.clientHeight-40)/2); width:40px; height:40px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden}
#mask{ position:absolute; top:0; left:0; bottom:0;width:expression(body.scrollWidth); height:100%; background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden}
.massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%}
.header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff}
</style>
<script>
function createXMLHttpRequest()
{
if(window.ActiveXObject)
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else
{
if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
}
}
}
function LoadPageWait()
{
createXMLHttpRequest();
var url = "http://www.iteye.com";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = goCallback;
xmlHttp.send(null);
}
function goCallback()
{
mask.style.visibility='visible';
massage_box.style.visibility='visible';
WriteData();
}
function WriteData()
{
window.location.replace("http://www.iteye.com");
return false;
}
</script>
</head>
<body>
<label>
<input type="submit" name="test" id="test" value="a" onclick="LoadPageWait()"/>
</label>
<p>
<div id="massage_box"> <div class="massage">
<img src="loading.gif" width="32" height="32" />
</div> </div>
<div id="mask"> </div>
</body>
</html>
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