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<script type="text/javascript">
function GetUrlParms()   
{
    var args=new Object();  
    var query=location.search.substring(1);//»ñÈ¡²éѯ´®  
    var pairs=query.split("&");//ÔÚ¶ººÅ´¦¶Ï¿ª  
    for(var i=0;i<pairs.length;i++)  
    {  
        var pos=pairs[i].indexOf('=');//²éÕÒname=value  
        if(pos==-1)   continue;//Èç¹ûûÓÐÕÒµ½¾ÍÌø¹ý  
        var argname=pairs[i].substring(0,pos);//ÌáÈ¡name  
        var value=pairs[i].substring(pos+1);//ÌáÈ¡value  
        args[argname]=unescape(value);//´æÎªÊôÐÔ  
    }
    return args;
}
//ʹÓ÷½·¨£º
//var args = new Object();
//args = GetUrlParms();
//Èç¹ûÒª²éÕÒ²ÎÊýid:
//var ID = args["id"];
//alert(ID);
</script>
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var url = "http://www.baidu.com/?age=25&k=1&site=asp&abc=123;"  
  
//javascript»ñȡָ¶¨²ÎÊý¼°Æä¶ÔÓ¦µÄÖµ   
function getParameter(paraStr, url)   
{   
    var result = "";   
    //»ñÈ¡URLÖÐÈ«²¿²ÎÊýÁбíÊý¾Ý   
    var str = "&" + url.split("?")[1];   
    var paraName = paraStr + "=";   
    //ÅжÏÒª»ñÈ¡µÄ²ÎÊýÊÇ·ñ´æÔÚ   
    if(str.indexOf("&"+paraName)!=-1)   
    {   
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