window.onload=function()
{
	if(document.anmeldung.premium_check.checked)
	{
   		document.getElementById("premium").style.display = "";
  	} else {
		document.getElementById("premium").style.display = "none";
	}
	
	if(document.anmeldung.premium_check.checked)
	{
   		document.getElementById("partner").style.display = "";
  	} else {
		document.getElementById("partner").style.display = "none";
	}
}

function premium_checker() {
	if(document.anmeldung.premium_check.checked) {
		document.getElementById('premium').style.display='';
	} else {
		document.getElementById('premium').style.display='none';
		document.getElementById('karte_einzel').checked='';
		document.getElementById('karte_partner').checked='';
		document.getElementById('einzug_bank').checked='';
		document.getElementById('kontoinhaber').value='';
		document.getElementById('kreditinstitut').value='';
		document.getElementById('kontonummer').value='';
		document.getElementById('bankleitzahl').value='';
	}	
}

function partner_checker() {
	if(document.anmeldung.karte_partner.checked) {
		document.getElementById('partner').style.display='';
	} else {
		document.getElementById('partner').style.display='none';
		document.getElementById('p_karte_einzel').checked='';
		document.getElementById('p_karte_partner').checked='';
		document.getElementById('p_einzug_bank').checked='';
		document.getElementById('p_kontoinhaber').value='';
		document.getElementById('p_kreditinstitut').value='';
		document.getElementById('p_kontonummer').value='';
		document.getElementById('p_bankleitzahl').value='';
	}	
}