To make right mouse button, is client related action (I don't even have a clue).
I suggest you to create new potions to be automatic and let the retail for retail :P
Haha be sure about it. Since I am selling it, I am giving private paid support for this code. When I share it, I will give 100% free support.
Already someone from here before few days bought the rework for L2JFrozen.
You have to make a for loop.
Edit 1:
if (((player.getClan().getLevel() <= 1) || (player.getClan().getLevel() == 2) || (player.getClan().getLevel() == 3) || (player.getClan().getLevel() == 4) || (player.getClan().getLevel() == 5) || (player.getClan().getLevel() == 6) || (player.getClan().getLevel() == 7)))
change to
if (player.getClan().getLevel() > 1 && player.getClan().getLevel() < 8 )
Edit 2:
About skills add the following codes:
http://pastebin.com/z9V28JyU