// JavaScript Document

function external() {
 if (document.getElementsByTagName) {
  var i, a;
  a = document.getElementsByTagName('a');
  for (i=0; i<a.length; i++){
  	if (a[i].getAttribute('href') && a[i].getAttribute('rel') == 'external') 
	{
	   a[i].target = '_blank';
	   a[i].title += '(opens in a new window)';
	}
  }
 }
}
window.onload = external;