// make target="_blank" links of <a> with rel="external" so it validates
// code taken from Sitepoint.com [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;