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JScript code:
<script>
var url = document.location.search;
var arr = url.split('&');
for(var i=0;i<arr.length;i++){
var ar = arr[i].split('=');
if(ar[0] != ''){
document.write (ar[1]);
}
}
</script>

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function getParmsValue(para,url) { 
  var reg = new RegExp("(^|&)"+ para +"=([^&]*)(&|$)"); 
  var r = url.substr(url.indexOf("\?")+1).match(reg); 
  if (r!=null) return unescape(r[2]); return null; 
}


alert(getParmsValue("d","http://www.xxx.com/a.html?abc=123&d=234"))

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getParmsValue("²ÎÊýÃû³Æ",window.location.href)

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var url = document.location.search;
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