//Make any links with attribute rel="external" open in a new window.
//This is necessary to comply with XHTML Strict Web Standards because target="_blank" is deprecated

//Script courtesy of http://www.sitepoint.com/article/standards-compliant-world
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;