Help me make this script.

[creeps123]

Hello, i just want to ask you guys on how to make a script for an item that gives 20% more damage with FO but if worn by wizard it gives 50% more health.. please help me.. guys. thanks!

[Euphy]

if (BaseJob == Job_Wizard) bonus bMaxHPrate,50; else bonus2 bSkillAtk,"MO_FINGEROFFENSIVE",20;

[creeps123]

thank you very much sir! and wait theres more! xD

how about.. drains 15% of enemy HP with 25% chance?

[Shogun]

bonus2 bHPDrainRate,250,15;

[creeps123]

thank you!