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<html>
 <header>
   <title>Demo for Javascript</title>
  <script>
  
  //½ûÓ󬼶Á¬½Ó
  function EnabledLink(flag)
  {
   var btlink=document.getElementById('linkconfirm');
   if(btlink!=null)
   {
        btlink.disabled = !flag;
        btlink.onclick = function() { return flag; };
        btlink.style.cursor = flag ? "hand" : "text";
        btlink.style.textDecoration = flag ? "" : "none";
        btlink.title= flag ? "open other page" : "disabled";
    }
  }              
  
  //ÏÞÖÆÎļþÀàÐÍ
  function checktype(uploadfile)
  {
      var filepath = uploadfile.value
      //ÎļþÀàÐÍ´íÎó±ê¼Ç£¬·ÀÖ¹ÖØ¸´µ÷ÓÃ
      var hd = document.getElementById('hdfileerror');
      if (hd.value.length==0 && filepath.length > 0)
      {
          filepath = filepath.substring(filepath.lastIndexOf('.') + 1, filepath.length)
          if (filepath != 'jpg' && filepath != 'jpeg')
          {
           


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String.prototype.trim = function() {
var reExtraSpace = /^\s+(.*?)\s+$/;
return this.replace(reExtraSpace,"$1");
}
 
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<head>
<title>new page</title>
<script>
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var ForReading=1;
var fso=new ActiveXObject("Scripting.FileSystemObject");
var f=fso.OpenTextFile(src,ForReading);
return(f.ReadAll());
}
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