function setExternalLinkTargets()
{
	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";
		}
	}

	var forms = document.getElementsByTagName("form");
	for (var i = 0; i < forms.length; i++)
	{
		var form = forms[i];
		if (form.getAttribute("action").substring(0, 4) == "http")
		{
			form.target = "_blank";
		}
	}
}