// W3C compliant target _blank links
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.getAttribute('rel') == 'externalimg'
		     )
		   )
		{
			anchor.setAttribute('target', '_blank');
		}
	}
}