queryget.js

var $_GET = {};
if(document.location.toString().indexOf('?') !== -1) 
{
   var query = document.location.toString() .replace(/^.*?\?/, '').replace(/#.*$/, '').split('&');
   for(var i=0, l=query.length; i<l; i++) 
   {
      var aux = decodeURIComponent(query[i]).split('=');
      $_GET[aux[0]] = aux[1];
   }
}