获取url参数

function paramOfUrl(url) {
	url = url || location.href;
	var paramSuit = url.substring(url.indexOf('?') + 1).split("&");
	var paramObj = {};
	for (var i = 0; i < paramSuit.length; i++) {
		var param = paramSuit[i].split('=');
		if (param.length == 2) {
			var key = decodeURIComponent(param[0]);
			var val = decodeURIComponent(param[1]);
			if (paramObj.hasOwnProperty(key)) {
				paramObj[key] = jQuery.makeArray(paramObj[key]);
				paramObj[key].push(val);
			} else {
				paramObj[key] = val;
			}
		}
	}
	return paramObj;
}

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