// JavaScript Document
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 nofollow") || (anchor.getAttribute("rel") == "nofollow external") || (anchor.getAttribute("rel") == "external")))  
			anchor.target = "_blank";  
		}  
	}  
Event.observe(window,'load', externalLinks, false);