window.onload = function () {
		linksExternal();
}		

function linksExternal()	
{
	if (document.getElementsByTagName)	{
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++)	{
			var anchor = anchors[i];
			if (anchor.getAttribute("rel") == "external")	{
				anchor.target = "_blank";
			}
		}
	}
}