function externalLinks() {
	// script to open achors with rel="external" in a new window
	// taken from http://www.sitepoint.com/article/1041/3
	
	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;