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";
		}
	} 
}
function spedisci( email ) {
	location = "mailto:" + email.replace( "[presso]", "@" );
}
window.onload = externalLinks;