One more question, mouse coordinates

instead of using a rollOver button to close a menu, I would like to use something in actionscript like mousecoordinates. something like:

if(mouse_x > 200){
gotoAndStop(1);
}

This, ofcourse, doesn’t work. The whole idea above in simple words:

if you move the mouse to x:240 and y:490 gotoAndStop frame 1.

Thanks!
Tipsko