//open links in new windows.
//This  is a javascript workaround to the target="_blank" w3 error
// for STRICT html DOCTYPES
// Usage: add attribute rel"external" to link
// Example: <a href="http://www.awebsite.com" rel="external">www.awebsite.co.uk</a>
window.onload = function() {
  setLinks();
}

function setLinks() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  if (links.length == 0) return false;
  for (var i = 0; i < links.length; i++) {
    var relation = links[i].getAttribute("rel");
    if (relation == "external") {
      links[i].onclick = function() {
        return !window.open(this.href);
      }
    }     
  }
}