function hiddenfeld()
{
if(document.forms.form_abfrage){
	if((document.forms.form_abfrage.karte_achental.checked == true)||(document.forms.form_abfrage.karte_achentalplus.checked == true))
	{
		document.getElementById("achental_bild").style.visibility = 'visible';
    document.getElementById("achental_bild").style.height = 'auto';
	}
  
  else if(document.forms.form_abfrage.karte_achental.checked == false)
	{
		document.getElementById("achental_bild").style.visibility = 'hidden';
    document.getElementById("achental_bild").style.height = '0';
	}
  
  else 
	{
		document.getElementById("achental_bild").style.visibility = 'visible';
    document.getElementById("achental_bild").style.height = 'auto';
	}
  
  
  
  
  	if(document.forms.form_abfrage.karte_zusenden.checked == true)
	{
		document.getElementById("achental_strasse").style.visibility = 'visible';
    document.getElementById("achental_strasse").style.height = 'auto';
    document.getElementById("achental_ort").style.visibility = 'visible';
    document.getElementById("achental_ort").style.height = 'auto';
    document.getElementById("achental_plz").style.visibility = 'visible';
    document.getElementById("achental_plz").style.height = 'auto';
	}
  
  else if(document.forms.form_abfrage.karte_zusenden.checked == false)
	{
		document.getElementById("achental_strasse").style.visibility = 'hidden';
    document.getElementById("achental_strasse").style.height = '0';
		document.getElementById("achental_ort").style.visibility = 'hidden';
    document.getElementById("achental_ort").style.height = '0';
    document.getElementById("achental_plz").style.visibility = 'hidden';
    document.getElementById("achental_plz").style.height = '0';
	}
  
  else 
	{
		document.getElementById("achental_strasse").style.visibility = 'visible';
    document.getElementById("achental_strasse").style.height = 'auto';
    document.getElementById("achental_ort").style.visibility = 'visible';
    document.getElementById("achental_ort").style.height = 'auto';
    document.getElementById("achental_plz").style.visibility = 'visible';
    document.getElementById("achental_plz").style.height = 'auto';
	}
  }
  

if(document.forms.form_kontakt){
  	if(document.forms.form_kontakt.angebot_senden.checked == true)
	{
		document.getElementById("personen").style.visibility = 'visible';
    document.getElementById("personen").style.height = 'auto';
    document.getElementById("reisezeit").style.visibility = 'visible';
    document.getElementById("reisezeit").style.height = 'auto';
	}
  
  else if(document.forms.form_kontakt.angebot_senden.checked == false)
	{
		document.getElementById("personen").style.visibility = 'hidden';
    document.getElementById("personen").style.height = '0';
		document.getElementById("reisezeit").style.visibility = 'hidden';
    document.getElementById("reisezeit").style.height = '0';
	}
  
  else 
	{
		document.getElementById("personen").style.visibility = 'visible';
    document.getElementById("personen").style.height = 'auto';
    document.getElementById("reisezeit").style.visibility = 'visible';
    document.getElementById("reisezeit").style.height = 'auto';
	}

}
  
  
  if(document.forms.form_newsletter){
  	if(document.forms.form_newsletter.infopost.checked == true)
	{
		document.getElementById("achental_strasse").style.visibility = 'visible';
    document.getElementById("achental_strasse").style.height = 'auto';
    document.getElementById("achental_plz").style.visibility = 'visible';
    document.getElementById("achental_plz").style.height = 'auto';
    document.getElementById("achental_ort").style.visibility = 'visible';
    document.getElementById("achental_ort").style.height = 'auto';
	}
  
  else if(document.forms.form_newsletter.infopost.checked == false)
	{
		document.getElementById("achental_strasse").style.visibility = 'hidden';
    document.getElementById("achental_strasse").style.height = '0';
    document.getElementById("achental_plz").style.visibility = 'hidden';
    document.getElementById("achental_plz").style.height = '0';
    document.getElementById("achental_ort").style.visibility = 'hidden';
    document.getElementById("achental_ort").style.height = '0';
	}
  
  else 
	{
		document.getElementById("achental_strasse").style.visibility = 'visible';
    document.getElementById("achental_strasse").style.height = 'auto';
    document.getElementById("achental_plz").style.visibility = 'visible';
    document.getElementById("achental_plz").style.height = 'auto';
    document.getElementById("achental_ort").style.visibility = 'visible';
    document.getElementById("achental_ort").style.height = 'auto';
	}

}

}