function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function externalLinks(){
if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	var areas = document.getElementsByTagName("area");
	for (var i=0; i<anchors.length; i++){
		var anchor = anchors [i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external"){
			anchor.target = "_blank";
			if (anchor.getAttribute("title")){
				anchor.title = anchor.getAttribute("title") + " (se abre en nueva ventana)";
			}
			else{
				anchor.title = "(se abre en nueva ventana)";
			}
		}
	}
	
	for (var j=0; j<areas.length; j++){
		var area = areas [j];
		area.target = "_blank";
		if (area.getAttribute("title")){
			area.title = area.getAttribute("title") + " (se abre en nueva ventana)";
		}
		else{
			area.title = "(se abre en nueva ventana)";
		}
	}
}


window.onload = externalLinks;