bool QuestParserCollection::SpellHasQuestSub(uint32 spell_id, QuestEventID evt) {
	std::map<uint32, uint32>::iterator iter = _spell_quest_status.find(spell_id);
	if(iter != _spell_quest_status.end()) {
		//loaded or failed to load
		if(iter->second != QuestFailedToLoad) {
			std::map<uint32, QuestInterface*>::iterator qiter = _interfaces.find(iter->second);
			return qiter->second->SpellHasQuestSub(spell_id, evt);
		}
	} else {
		std::string filename;
		QuestInterface *qi = GetQIBySpellQuest(spell_id, filename);
		if(qi) {
			_spell_quest_status[spell_id] = qi->GetIdentifier();
			qi->LoadSpellScript(filename, spell_id);
			return qi->SpellHasQuestSub(spell_id, evt);
		} else {
			_spell_quest_status[spell_id] = QuestFailedToLoad;
		}
	}
	return false;
}