Loading link image

Hi all

I create this script for to load images dynamically.
Therefore I want click to this image as a link
I create this script , the image is loaded but I can’t click it!
Where am I wrong?
thanks

createEmptyMovieClip(“photo”, 1);
createEmptyMovieClip(“photo2”, 2);
photo2._x=160;
photo.loadMovie(“img1.jpg”);
photo2.loadMovie(“img2.jpg”);

photo.onPress = function() {
//code
};
photo2.onPress = function() {
//code
};