var external_div = "contenedor";
var external_palabra = "externo";
var external_titulo = " (Abrir en nueva ventana)";
function externallinks() {
	var c = document.getElementById(external_div);
	if(c) {
		var ls = c.getElementsByTagName('a');
		for(var i = 0; i < ls.length; i++) {
			if(ls[i].getAttribute('rel') == external_palabra) {
				ls[i].className += ls[i].className ? ' extlink' : 'extlink';
				ls[i].title += external_titulo;
				ls[i].onclick = function(){return(!window.open(this.href));}
			}
		}
	}
}
function INI_externallinks() {
	if(!document.getElementById && !document.createTextNode) return;
	externallinks();
}