this is a jruby script this script requires the Java class "FindSmallImageInLarge"
This needs to become a private method.
This method should be called when you want to find an image on screen.
it returns [xClick, yClick] when an image is found. it returns [-1, -1] when an image is not found. it should be called like this:
(x,y) = find_image_click_coordinates(image_file_name)
[Validate]