// open external links in a new window
// standard-compliant method; target=_blank is not allowed in STRICT doctype
// invoke by assigning rel="external" to a link, ie
// <a href="http://www.google.com/" rel="external">www.google.com</a>
// 
//  full article can be found here: 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";
	}
}