CopyImage problem

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CakeMonitor

This doesn't work: (no copy or re-size takes place)

	bat(num) = CopyImage (bat(0))
	ResizeImage bat(num), 128 * batScale(num), 20

This does work: (both the copy and the re-size take place)

	myCopyImage(bat(0), bat(num))
	ResizeImage bat(num), 128 * batScale(num), 20

the *only* difference between the two is I'm calling my own copy image function instead of the Blitz one.

Also, FYI:

This doesn't work: (neither of the copies or the re-size takes place)

	bat(num) = CopyImage (bat(0))
	myCopyImage(bat(0), bat(num))
	ResizeImage bat(num), 128 * batScale(num), 20

This does work: (but I need the copy to happen as well as the re-size)

	ResizeImage bat(num), 128 * batScale(num), 20

Basically as soon as I use Blitz's CopyImage(), the image related commands in that particular function, no longer work. The game continues to play fine with no pauses, hic-ups or errors (except the image is nopt re-sized!)