function onItemDrag(eventType)

    -- set object under cursor and item which is (maybe) dragged
    local curObj=game:getLink(VGameCurrentObject)
    
    
    if not game.UsedItem:isEmpty() then
-- if an item gets dragged, get its animation
local anim = getObject("ActiveAnimations["..game:getLink(VGameUsedItem):getName().."]")

-- if mouse moves over an object or NPC character
if eventType == eEvtMouseMove and (curObj:getId().tableId == eObjects or curObj:getId().tableId == eCharacters ) then
-- set animation to second frame
  anim:setValue(VAnimationFirstFrame,2)
  anim:setValue(VAnimationLastFrame,2)
else
-- else set animation to first frame to reset it
  anim:setValue(VAnimationFirstFrame,1)
  anim:setValue(VAnimationLastFrame,1)
end

-- if an item gets dragged and a a CLICK action was used, the animation of the item should also be resetted (scrolling flags was removed from the eventhandler register)
 if eventType ~= eEvtMouseMove and anim ~= nil then
      anim:setValue(VAnimationFirstFrame,1)
      anim:setValue(VAnimationLastFrame,1)
   
 return true
 end 

     end
end

registerEventHandler("mouseEvent", "onItemDrag", {eEvtMouseMove, eEvtMouseLeftButtonDoubleClick, eEvtMouseLeftButtonDown, eEvtMouseLeftButtonUp, eEvtMouseLeftButtonHold, eEvtMouseLeftButtonHolding, eEvtMouseRightButtonDoubleClick, eEvtMouseRightButtonDown, eEvtMouseRightButtonUp, eEvtMouseMiddleButtonDown, eEvtMouseMiddleButtonUp})

getObject("ActiveAnimations[my_item_name]"):setValue(VAnimationLastFrame, 1)

if eventType == eEvtMouseMove and (curObj:getId().tableId == eObjects or curObj:getId().tableId == eCharacters ) then

...

end