function externalLinks(xxx) {
	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("rel") !== "internal") {
                        form.target = "_blank";
	        }	
	}

}
window.onload = externalLinks;