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<script language="javascript">
    function closeOpen(Panel) {
        var test = document.getElementById('Panel');
        if (test.style.display == "none") {
            test.style.display = "";
        }
        else {
            test.style.display = "none";
        }
    }
</script>
  <input id="Button1" type="button" value="ÏÔʾÒþ²Øpanel" onclick="closeOpen('Panel1')"  style="background-image: url('images/title_bg_hide.gif');" />


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<!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" />
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JavaScriptÖÐµÄ escape,encodeURI,encodeURIComponent


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JavaScript ÅжÏÉÏ´«ÎļþÀàÐÍ

function
 Check_FileType(str)
{
 
var
 pos 
=
 str.lastIndexOf(
"
.
"
);
 
var
 lastname 
=
 str.substring(pos,str.length)  //´Ë´¦Îļþºó׺ÃûÒ²¿ÉÓÃÊý×鷽ʽ»ñµÃstr.split(".")
 
if
 (lastname.toLowe ......
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