iFrame and Mouse Wheel conflict

Hi

A question, if someone can help it would be great !

I made a fonction on the stage, I listen to the mouse wheel, that works perfectly ! but then I call an iFrame and put it in one symbole, at this moment each time I use the mouse wheel, when I am over this symbol it stop working, outside it is style working

Any idea ?

Code of the mousewheel function

$(window).bind('DOMMouseScroll', function(event) { }

thanks