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";
		} else {
			if(anchor.getAttribute("rel")) {
				anchor.target = anchor.getAttribute("rel");
			} else {
				anchor.target = "_self";
			}
		}
	} 
}


/* ONLOAD */

function onLoadAll() {
	
	// replace alle rel external links
	externalLinks();
}

window.onload = onLoadAll;