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";
		}
 	}
}