function adresse_koeln_on()
{
	document.getElementById("adressblock_start_koeln").style.visibility ="visible";
}

function adresse_koeln_off()
{
	document.getElementById("adressblock_start_koeln").style.visibility ="hidden";
}


function adresse_muenchen_on()
{
	document.getElementById("adressblock_start_muenchen").style.visibility ="visible";
	adresse_koeln_off();
}

function adresse_muenchen_off()
{
	document.getElementById("adressblock_start_muenchen").style.visibility ="hidden";
}


function adresse_sp_on()
{
	document.getElementById("adressblock_start_sp").style.visibility ="visible";
	adresse_koeln_off();
}

function adresse_sp_off()
{
	document.getElementById("adressblock_start_sp").style.visibility ="hidden";
}


function adresse_en_on()
{
	document.getElementById("adressblock_start_en").style.visibility ="visible";
	adresse_koeln_off();
}

function adresse_en_off()
{
	document.getElementById("adressblock_start_en").style.visibility ="hidden";
}


function adresse_default()
{
	adresse_koeln_on();
	adresse_muenchen_off();
	adresse_sp_off();
	adresse_en_off();
}