This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
MouseEvent subclasses Event. Why not just write one event handling function that handles events and add it as the event listener for both mouse over and click events? That would save you having to reregister your click event handler and redispatch a mouse click event.