now everything works fine.
i addet a toggle to my ftl key aswell,

<Hotkey 1>
<Toggle>
<If ActiveWinIs WoW1>
<SendLabel w1, w2, w3>
<Key LAlt 1>
<If ActiveWinIs WoW2>
<SendLabel w1, w2, w3>
<Key LShift 1>
<If ActiveWinIs WoW3>
<SendLabel w1, w2, w3>
<Key LSCtrl 1>
<Toggle>
<SendLabel w1, w2, w3>
<Key F7><Hotkey 1>
<Toggle>
<If ActiveWinIs WoW1>
<SendLabel w1, w2, w3>
<Key LAlt 1>
<If ActiveWinIs WoW2>
<SendLabel w1, w2, w3>
<Key LShift 1>
<If ActiveWinIs WoW3>
<SendLabel w1, w2, w3>
<Key LSCtrl 1>
<Toggle>
<SendLabel w1, w2, w3>
<Key F7>

so that every second press is my iwt key f7 and it seems to work quiet fine