Funções JavaScript que recuperam parametros da url

gistfile1.js

/**
 * Retorna o valor de um parametro da url
 * @param name Nome do parametro
 * @ref http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
**/
function getParameter(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? null : decodeURIComponent(results[1].replace(/\+/g, " "));
}
    
/**
 * Retorna todos os parametros da url em um dicionario
 * @ref http://stackoverflow.com/questions/5448545/how-to-retrieve-get-parameters-from-javascript
**/
function getParameters() {

    var transformToAssocArray = function(prmstr) {
        var params = {};
        var prmarr = prmstr.split("&");
        for ( var i = 0; i < prmarr.length; i++) {
            var tmparr = prmarr[i].split("=");
            params[tmparr[0]] = tmparr[1];
        }
        return params;
    }

    var prmstr = window.location.search.substr(1);
    return prmstr != null && prmstr != "" ? transformToAssocArray(prmstr) : {};
}