//external.js
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.className || anchor.getAttribute("class")) == "external")
		{
			anchor.target = "_blank";
		}
	}
}
window.onload=externalLinks;