}
}
+
+
+// Enable or disable the 'check attendee availability' button depending on whether
+// the attendees list is empty
+function EnableOrDisableCheckButton()
+{
+ if ($('attendees_box').value.length == 0) {
+ $('check_button').disabled = true;
+ }
+ else {
+ $('check_button').disabled = false;
+ }
+}
+
+
+
+
function launchChat(event) {
window.open('chat', 'ctdl_chat_window', 'toolbar=no,location=no,directories=no,copyhistory=no,status=no,scrollbars=yes,resizable=yes');
}