function externalLinks()
{
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for( var i =0, len=anchors.length; i<len; i++)
	{
		var anchor2 = anchors[i];
		if(anchor2.getAttribute("href") && anchor2.getAttribute("rel") == "external")
anchor2.target = "_blank";
	}
}