All credits go to Dutch Agricultural Modelling 

Install AnimationMapTrigger to your map and add this to the modDesc.xml file:
    <l10n>
		<text name="OPEN_DOOR" >
			<en>open rolldoor</en>
			<de>Tor ffnen</de>
		</text>
		<text name="CLOSE_DOOR" >
			<en>close rolldoor</en>
			<de>Tor schlieen</de>
		</text>
	</l10n>

Feel free to use this in your map, but make sure to mention Dutch Agricultural Modelling in the credits. 
AnimationMapTrigger is required for this hall!

Visit us at: 
https://www.facebook.com/pages/Dutch-Agricultural-Modelling/573648099424813