How I can close cluetip by a javascript function ?

How I can close cluetip by a javascript function ?

Dear all,
I am using a jquery plug in cluetip.
Link is given below.
http://plugins.learningjquery.com/cluetip/demo/

it is working well.
Here the Clue tips is closed only by either click the close button or leave mouse out from it.
I want to close the same clue tip by a javascript function.

ie when I call aother function , i need to close this clue tip.
So how can I do it.

When I use a modalbox, I could close the modalbox by calling  a function like $.modal.close().
Is there any function for it ?
I found a function         cluetipClose();  in its js script. But when I called it from outside it is not working.
Can you please help me ?

Thanks and regards
Jothish