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<html>
<head>
<title>网页进度条</title>
</head>
<body>
</body>
<script type="text/jscript">
function DoubleAnimation(target,targetProperty,from,to,Duration)
{
this.Begin=function anonymous()
target[targetProperty]=from;
var starttime=new Date();
setTimeout(StoryBoard(),1);
function StoryBoard()
CSS代码...
JS代码...
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