вот код
http://korolklinkoff.github.io/my/paschec.html<DOCTYPE html>
<html>
<head>
</head>
<body>
<script>
function parseUrlQuery() {
var data = {}
, pair = false
, param = false;
if(
location.search) {
pair = (location.search.substr(1)).split('&');
for(var i = 0; i < pair.length; i ++) {
param = pair[i].split('=');
data[param[0]] = param[1];
}
}
return data;
}
console.log(parseUrlQuery());
</script>
</body>
</html>