getQueryObj

function getQueryObj (query) {
	query = query.substring(query.indexOf("?")+1,query.length);
	var keys = query.split("&") , obj = {};
	for (var i = 0; i < keys.length; i++) {
		var pair = keys[i].split("=");
		obj[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
	}
	return obj;
}
console.log(getQueryObj("http://example.com?x=hello&y=des%20t"));