// Set target="_blank" for external links
addLoadEvent(function(){
  if (!document.getElementsByTagName) return;
  var anchors = document.getElementsByTagName("a");
  for (var i=0; i<anchors.length; i++) {
    var anchor = anchors[i];
    if(anchor.href.match(/^http/) && anchor.href.indexOf(window.location.hostname) == -1){
      anchor.target = '_blank';
    }
  }
});