// Script by: Amit Gupta
// url: http://comox.textdrive.com/pipermail/wp-hackers/2005-October/002937.html
// Accessed: 30-10-2006
// Improved by: Joost Schalken
function openExternalLink(e) {
  if(typeof(e) == 'undefined') {
    var e = window.event
  }
  source = e.target ? e.target : e.srcElement
  if(source.nodeType == 3) {
    source = source.parentNode
  }
  window.open(source.getAttribute("href"));
  return false;
}

function externalLinks() {
  if(!document.links) return;
  var links = document.links;
  for(var i=0; i < links.length; i++) {
    var link = links[i];
    if (link.getAttribute("href")) {
      var rels = link.getAttribute("rel").split(" ");
      for(j=0; j < rels.length; j++) {
        var rel = rels[j];
        if(rel == "external") {
          link.onclick = openExternalLink;
        }
      }
    }
  }
}