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")=="dokument") || (anchor.getAttribute("rel")=="ekstern") ))
			anchor.target = "_blank";
		if (anchor.getAttribute("href") && (anchor.getAttribute("rel")=="top"))
			anchor.target = "_top";
	}
}

window.onload = externalLinks;