function externalLinks() { 
	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"; 
	} 
	var f = document.getElementById("o4vForm"); 
	if (f) f.target = "_blank"; 
}

window.onload = externalLinks;