function externalLinks(){
	if(!document.getElementsByTagName){
		return;
	}
	var anchors = document.getElementsByTagName("a");
	for(var i=0; i<anchors.length; i++){
		if(anchors[i].getAttribute("href") && anchors[i].getAttribute("rel") == "new"){
			anchors[i].target = "_blank";
		}
	}
}

window.onload = externalLinks;