To create a popup menu you should set following parameters:

var popupMode=1;

To show a popup menu assign the following function call to event:

yourEvent = “return apy_popup(menuN, pause, event);”

Where:
yourEvent - event type (onMouseOver, onClick, onContextMenu, etc.)
menuN - menu number on page.
pause - inactivity delay.
event - reserved. Do not change.