I would highly recommend you to DO NOT open server to public.. Obvious reason, you don't know a single thing about l2j and related things, so you will be unable to do/fix anything :P
Get familiar with the pack, then, after you learn things, think about opening it to public.
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Try SkillXML, put it into skills folder, run the program and load the txt.
http://www.4shared.com/rar/1yIgXMnI/skillxml.html