/*
Title:      	Open external links in a new window
Website: 	School Library Association | www.sla.org.uk
Author:     	R N Smith | Intexta Web Services | www.intexta.com
Updated:    	22 02 2006
Notes:			Allows the opening of links in a new browser window while still validating as Strict XHTML
Credits:		Sitepoint | http://www.sitepoint.com/article/standards-compliant-world | Accessed 22 02 2006
Usage:			Include this file in the head of the document and change all target="_blank" links to "rel=external"
*/

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";
 }
}
window.onload = externalLinks;