// ========================= TARGET='_blank' ========================= 
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";
		anchor.title = (anchor.title != "") ? anchor.title+" (Questo link si apre in una nuova finestra)" : "Questo link si apre in una nuova finestra";
		//anchor.className = (anchor.className != '') ? anchor.className+' external' : 'external';
		}
	}
}
//window.onload = externalLinks;
//document.body.onload = alert('document.body.onload');

if ( typeof window.addEventListener != "undefined" )
    window.addEventListener( "load", externalLinks, false );
else if ( typeof window.attachEvent != "undefined" )
    window.attachEvent( "onload", externalLinks );
else {
    if ( window.onload != null ) {
        var oldOnload = window.onload;
        window.onload = function ( e ) {
            oldOnload( e );
            externalLinks();
        };
    }
    else
        window.onload = externalLinks;
}