stop function that run with setTimeout

Question

I want stop my function that run with setTimeout and do not show image followed mouse. I want do that with button click, how do that? my code:

Answer 1

var foobarTimeout = setTimeout(foobar, 1000);

...

clearTimeout(foobarTimeout);

See:
https://developer.mozilla.org/en/DOM/window.setTimeout
https://developer.mozilla.org/en/DOM/window.clearTimeout