var weee = weee || {};

weee.urlParameters = function () {
    var queryString = {};
    var query = window.location.search.substring(1);
    var vars = query.split('&');

    for (var i = 0; i < vars.length; i++) {
        var pair = vars[i].split('=');

        if (typeof queryString[pair[0]] === "undefined") {
            queryString[pair[0]] = pair[1];
        } else if (typeof query_string[pair[0]] === "string") {
            var arr = [queryString[pair[0]], pair[1]];
            queryString[pair[0]] = arr;
        } else {
            queryString[pair[0]].push(pair[1]);
        }
    }

    return queryString;
}();