var ExternalLinks =
{
   init: function()
   {
      var extLinks = Core.getElementsByClass("external");
     
      for (var i = 0; i < extLinks.length; i++)
      {
         extLinks[i].onclick = ExternalLinks.clickHandler;
      }
    },

    clickHandler: function()
    {
       open(this.href);
       return false;
    }
};

Core.start(ExternalLinks);