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("class") == "external" )
		{
			anchor.target = "_blank";
			anchor.title  = anchor.href + " (Opens in a new window)";
		}
	}
}
$(document).ready(externalLinks);