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