Problem loading a movie on level 2?

Im having trouble with this script again. I need to load a movie on the 2nd leve this is the script here.

// Time value, in milliseconds, after which, failing any mouse movement, an action is to occur.
numMouseTimeoutMS = 30000;

// Define what is to happen should the mouse be moved.
this.onMouseMove = function() {
// Clear preceding setInterval ID.
// Set new interval.
//itvMouseID = setInterval(fncMouseCheck, numMouseTimeoutMS);
// Function run by setInterval.
fncMouseCheck = function () {
// Clear interval.
// Whatever action is supposed to happen on timeout (make red rectangle clip visible).
loadMovieNum(“screensaver.swf”, 2);