function SetExternalLinks()
{
  if (!document.getElementsByTagName) return; 
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++)
  {
    var anchor = anchors[i];
    if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "external"))
    {
      anchor.target = "_blank";
      
      var cls = anchor.getAttribute("className");
      if (cls)
        anchor.className = cls.replace("nw", "newWindow");
      
      var ttl = "Link opens in a new window";
      if (anchor.title != "")
        anchor.title += " - " + ttl;
      else
        anchor.title = ttl; 
        
      var obj = anchor.firstChild;
      if (obj && obj.nodeName == "IMG")
      {
        if (obj.alt != "")
          obj.alt += " - " + ttl;
        if (obj.title != "")
          obj.title += " - " + ttl;
      }
    }
  }
}