function showAlert() {
	if (top.showAlert) {
		alert('This show directory contains information from the past show. New show information will be updated approximately five weeks prior to the next show.');
		top.showAlert = false;
	}	
}

function refreshFrames() {
	parent.nav2.refreshFrames('show_directory');
}

function requestAppointment(exhibitorID) {
	var w;
	
	location = 'show-directory.php#' + exhibitorID;
	w = window.open('appointment.php?exhibitor_id=' + exhibitorID + '&opener=0', 'appointmentWindow', 'width=600,height=550,menubar,resizable=yes,scrollbars=yes');
	w.focus();
}