/* Set target="_blank" for external links
 * (target attribute deprecated in XHTML standard)
 */

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" ;
	}
}

window.onload = externalLinks ;