function writeKontakt(id, nr)
{
	var element = document.getElementById(id);
	switch (nr)
	{
	case 1:
		element.innerHTML = 'office@roesel.at';
		break;
	case 2:
		element.innerHTML = 'office@roesel.at';
		break;
	case 3:
		element.innerHTML = 'office@gp-untis.dk';
		break;
	case 4:
		element.innerHTML = 'rooster@untis.be';
		break;
	case 5:
		element.innerHTML = 'info@untis.nl';
		break;
	}
}