<movevent type="Equip" itemid="xxxx" slot="head"[COLOR="#FF0000"] level="60"[/COLOR] event="function" value="onEquipItem">
<movevent type="DeEquip" itemid="xxxx" slot="head" event="function" value="onDeEquipItem"/>
<movevent type="Equip" itemid="9778" slot="head" level="8" event="function" value="onEquipItem">
<vocation id="1"/>
<vocation id="5" showInDescription="0"/>
<vocation id="2"/>
<vocation id="6" showInDescription="0"/>
</movevent>
<movevent type="DeEquip" itemid="9778" slot="head" event="function" value="onDeEquipItem"/>
<item id="9778" article="a" name="yalahari mask">
<attribute key="weight" value="3500" />
<attribute key="armor" value="5" />
<attribute key="slotType" value="head" />
<attribute key="magiclevelpoints" value="2" />
</item>
It should be as you posted above.
Have you restarted your server after these changes?