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.className == "pdf"
		       ||
			  anchor.className == "external" 
		   )
		{
			anchor.target = "_blank";
			anchor.title  = anchor.href + " (Opens in a new window)";
		}
	}
}
window.onload = externalLinks;