Actionscript Troubleshooting

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Job Description

I have a Flash website which I had a oDesk contractor help me with. The site imports images into the background and resizes them to full screen.

A demo can be seen at http://www.treacle.com.au/style29/

Most of this works fine. However after a point in time the site slows down drastically. Usually after the image has changed about 20 times.

Also once you click the navigation buttons a few times the background doesn't fill the whole screen it, it shifts to the left and leaves a gap along the right hand side.

I need someone to help me fix the slowdown problem and the shifting to the left.

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