Read a page's GET URL variables and return them as an associative array.

gistfile1.js

/**
 * Read a page's GET URL variables and return them as an associative array.
 */
getUrlVars = function() {

    var vars = [],
        hash,
        i = 0,
        hashes = window.location.href.slice(window.location.href.indexOf("?") + 1).split("&");

    for (i; i < hashes.length; i = i + 1) {

        hash = hashes[i].split("=");
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }

    return vars;

}