Problem with campaign site

I’ve done the flash production for a campaign site for three mobile (sweden).

http://www.tre.se/templates/Broadban…aspx?id=28250

It’s going much slower on the web then locally, and the big
curly text-line (3bredbredband), is really really slow on a few systems. A few users have reported that the flash gets so slow sometimes that their system hangs.

The text-line is done in illustrator, and imported as a vector in flash. There is a motion guide on top of the text-line and a gradient-circle follows it.

The first time the circle follows the guide the masking is done with attachmovieclip (or duplicatemovie, i dont remember).

This is only being done on the first loop.

Is this the problem? Is this a processor heavy operation?

If anyone have any ideas i’d appreciate them.

update: The site is running episerver. If you go straight to the swf it is much faster. http://www.tre.se/upload/26675/bredband.swf