simple JavaScript function to retrieve variables from the url

get_url_vars.js

var getUrlVars = function () {
    var vars = [], hash, $href, hashes, i;
    $href = window.location.href;
    hashes = $href.slice($href.indexOf('?') + 1).split('&');
    for (i = 0; i < hashes.length; i += 1) {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }
    return vars;
};