var Popup = {
    open: function(options)
    {
      this.options = {
        url: '#',
        id: 'test',
        width: 800,
        height: 600
      }
      Object.extend(this.options, options || {});
      window.open(this.options.url, this.options.id, 'width='+this.options.width+',height='+this.options.height);
    }
  }