function getURLParamInfo(key) {

        if (location.search == "") { return undefined; }

        var a = location.search;

        a = a.replaceAll('=', '\":\"');

        a = a.replaceAll('&', '\",\"');

        a = a.replace('?', '{\"');

        a += "\"}"

        var b = eval('(' + a.toLowerCase() + ')');

        return b[key.toString().toLowerCase()];

    }