// Gästebuch

function showGBForm()
{
  if(document.Form.style.display == "none") {
    document.Form.style.display = "inline";
  }
  else {
    document.Form.style.display = "none";
  }
}

// Ticketbestellung

function getBetragTickets(){
  var anz_we = document.getElementById("uid7").value;
  var anz_sa = document.getElementById("uid8").value;
  var anz_fr = document.getElementById("uid9").value;
  var betrag = (anz_we*32)+(anz_sa*19)+(anz_fr*21);

  return betrag;
}

function calculateBetragTickets(){
  document.getElementsByName("tx_powermail_pi1[uid14]")[0].value = getBetragTickets().toFixed(2);
  setPayment();
}

function setPayment(){
  if(document.getElementById("uid10").value=='Vorkasse (advance payment) (1,- Porto)') {
    document.getElementsByName("tx_powermail_pi1[uid15]")[0].value = 'V';
    versand = 1.00;
  }
  else {
    document.getElementsByName("tx_powermail_pi1[uid15]")[0].value = 'N';
    versand = 4.55;
  }

  document.getElementById("uid16").value = ((getBetragTickets()+versand).toFixed(2))+' EUR';
}