function urlParse(url) {        try {            var hostexp = /http\:\/\/([^\/]+)/;            var hoststr = url.match(hostexp)[0];            var hosttmp = hoststr.replace("http://", "").split(":");            var pathtmp = url.replace(hoststr, "").split("?");            var urlObj = {};            urlObj.host = hosttmp[0];            urlObj.port = hosttmp.length > 1 ? hosttmp[1] : 80;            urlObj.path = pathtmp.length > 0 ? pathtmp[0] : "";            urlObj.params = {};            urlObj.paramsStr = "";            if (pathtmp.length > 1) {                urlObj.paramsStr = pathtmp[1];                var params = pathtmp[1].split("&");                for (var i = 0; i < params.length; i++) {                    var parr = params[i].split("=");                    if (urlObj.params[parr[0]]) {                        if (typeof urlObj.params[parr[0]] != "object") {                            var v = urlObj.params[parr[0]];                            urlObj.params[parr[0]] = [];                            urlObj.params[parr[0]].push(v);                        }                        urlObj.params[parr[0]].push(parr[1]);                    }                    else                        urlObj.params[parr[0]] = parr[1];                }            }            return urlObj;        } catch (exception) { return null; }    }