Cropping swf files?

i tend to start working on flash documents in the center of the canvas, not knowing how big it will actually get. eventually i come to a size i’m satisfied with, but there’s a big chunk of empty space on the top and left sides. i know how to change the movie size, but that only appears to crop off whatever is on the bottom or right sides of the movie. is there any way where i can crop the movie on all sides? i don’t want to have to deal with moving each individual keyframe to the top left hand corner of the screen each time…

The only way to resize your document would be through the regular way :-\

You could just mask your content in a box the size you want I suppose.

Could you maybe select all of your keyframes then copy & paste into a blank movie clip?
Then you just need to position the mc.

True as well.