//获取url中请求参数，返回对象

function getRequest() {

    var url =location.search; //获取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<str.length;i++){

            theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]); }

        }

        return theRequest;

}