public L2Skill addSkill(L2Skill newSkill)
    {
    	if(newSkill.getCanLearn(getClassId())) {
        // Add a skill to the L2PcInstance _skills and its Func objects to the calculator set of the L2PcInstance
        L2Skill oldSkill = super.addSkill(newSkill);
        
        // Add or update a L2PcInstance skill in the character_skills table of the database
        storeSkill(newSkill, oldSkill, -1);
        
        return oldSkill;
    	}
    	return newSkill;
    }