// Generate URL: e.g. $.url('http://smart.fm/goals?first=1', {'second': 2});
  // By Andrew Plummer
  $.url = function(base, params, options){
    var url = base;
    var options = options || {};
    if(params){
      if(!url.match(/\?$/)) { 
        if(url.match(/\?/)) {
          url += '&'; 
        } else {
          url += '?';
        }
      }
      url += $.param(params, options);
    }
    return url;
  }