function sendEmail( user, domain ) {
        parent.location.href = "mailto:" + user + "@" + domain;
    }

	function openWin( windowURL, windowName, windowFeatures ) {

		return window.open( windowURL, windowName, windowFeatures ) ; 

	}

	lastOpened = null;
	keepOpen = null;

	function expandGroup( id, autoHide ) {

		if (lastOpened != null && lastOpened != keepOpen) {

			document.getElementById('navgroup' + lastOpened).style.display = "none";

		}

		document.getElementById('navgroup' + id).style.display = "block";



		if (autoHide == false) {

			keepOpen = id;

		}
		else {

			lastOpened = id;

		}

	}