function setPlzRequired()
{
	var sSelectedCountry = $('country').getValue();
	if (sSelectedCountry == 'Deutschland' || sSelectedCountry == 'Germany')
	{
		$('label-postalcode').addClassName('pflicht');
		$('postalcode-marker').show();
	}
	else
	{
		$('label-postalcode').removeClassName('pflicht');
		$('postalcode-marker').hide();
	}
}

Event.observe(document, 'DOMContentLoaded', setPlzRequired);