//newWindow function
// version 1
function externalLinks() {
  if (!document.getElementsByTagName) return false;
  var links=document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("ext")) {
      links[i].onclick=function() {
      // Next two lines should be on one line
        window.open(this.href, "","");
        return false;
      }
    }
  }
}

//alternate version
// Open external links in a new window
function externalLinksV2() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "external")
		anchor.target = "_blank";
	}
}