function DoExternalLinks()
{
	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.getAttribute("rel") == "nofollow") )
			anchor.target = "_blank";
	}
}
window.onload = DoExternalLinks;