截取url参数并以对象返回

function GetRequest(urlStr) {
	if (typeof urlStr == "undefined") {
		var url = decodeURI(location.search); //获取url中"?"符后的字符串
		} else {
		var url = "?" + urlStr.split("?")[1];
		}
		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]] = decodeURI(strs[i].split("=")[1]);
			}
		}
		return theRequest;
}