function GetRequest() {
 var url = location.search; //獲取url中"?"符后的字串
 var theRequest = new Object();
 if (url.indexOf("?") != -1) { 
 var str = url.substr(1);
 strs = str.split("&");
 for(var i = 0; i < strs.length; i ++) { 
 theRequest[strs[i].split("=")[0]]=(strs[i].split("=")[1]);
 }
 }
 return theRequest;
}

var Request = new Object();
Request = GetRequest();

function GetQueryString(name) {
 var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
 var r = window.location.search.substr(1).match(reg);
 if (r!=null) return (r[2]); return null;
}
alert(GetQueryString("參數(shù)名1"));
alert(GetQueryString("參數(shù)名2"));
alert(GetQueryString("參數(shù)名3"));