para transformar los parametros de una url en un objeto

url_to_object.js

/*
   we have: 
   http://foo.com?nodeId=2&userId=3&sortOrder=name&sequence=asc

   we want:
   var params = {
      nodeId : 2,
      userId : 3,
      sortOrder: name,
      sequence: asc
   }
*/

var url = location.search;
url = url.replace('?', '');
var queries = url.split('&');
var params = {};
for(var q in queries) {
   var param = queries[q].split('=');
   params[ param[0] ] = param[1];
};