function loaded() {
	externalLinks();
}
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("rel") == "external")
			anchor.target = "_blank";
	}
}
function nav(x) {
	if (x == "internet") {
		document.getElementById('intranet').style.display = 'none';
		document.getElementById('internet').style.display = 'block';
	}
	if (x == "intranet") {
		document.getElementById('internet').style.display = 'none';
		document.getElementById('intranet').style.display = 'block';
	}
}