added dotlrn_graphics_url var so that the graphics can go in a dir that everyone can read [server_page_root]/graphics. users have to create …
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added dotlrn_graphics_url var so that the graphics can go in a dir that everyone can read [server_page_root]/graphics. users have to create and copy the dotlrn gifs to this dir. this may not be the long-term solution to this problem, but it's a workaround.
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