// JavaScript Document

/* give anchors with attribute rel="external" a target attribute of "_blank" */

function external() {
 if (document.getElementsByTagName) {
  var i, a;
  a = document.getElementsByTagName('a');
 
 for (i in a) {
   var childNode = a[i];
	 if (childNode.nodeType === 1) {
	 		if (a[i].getAttribute('href') && a[i].getAttribute('rel') == 'external') a[i].target = '_blank';
	 }
 }
 
 }
}

//window.onload = external;

/* external.js */