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()];
}