截取url中的參數

    GetRequest();
    function GetRequest() {  
            var url = location.search; //獲取url中"?"符後的字串  
            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]] = unescape(strs[i].split("=")[1]);  
                }  
            }  
            return theRequest;  
        }
        var request = new Object();  
        request = GetRequest();  
        var classid = request['classId'];  
        var type = request['type'];  
        var starttime = request['starttime'];
        var endtime=  request['endtime'];