<!--

function showForm() {
  if (document.getElementById)
    document.getElementById('family_form1').style.visibility = "visible";
    document.getElementById('family_form1').style.display = "block";
    document.getElementById('family_form2').style.visibility = "visible";
    document.getElementById('family_form2').style.display = "block";
    document.getElementById('family_button').style.visibility = "visible";
    document.getElementById('family_button').style.display = "none";
}

function javascriptAlert() {
  if (document.getElementById)
    document.getElementById('alert').style.visibility = "visible";
    document.getElementById('alert').style.display = "none";
}

function validateProgram(id)
{
 var pid = 'Programm' + String(id)
 var combo = document.getElementById(pid).selectedIndex;
 if(combo == 1) {
 setValues(pid, '-');
 } else if(combo == 2) {
 setValues(pid, 'inkl.&nbsp;Verpflegung und&nbsp;Unterkunft');
 } else if(combo == 3) {
 setValues(pid, 'inkl.&nbsp;Verpflegung (<b>ohne</b>&nbsp;Unterkunft)');
 } else if(combo == 4) {
 setValues(pid, '-');
 } else if(combo == 0) {
 setValues(pid, '-');
 } else if (combo == 5) {
 setValues(pid,'-');
 }
}

function setValues(id, others) {
 document.getElementById(id + 'Others').innerHTML = others;
 /*document.getElementById(id + 'Meals').innerHTML = meals;
 document.getElementById(id + 'House').innerHTML = house;
 document.getElementById(id + 'Houseinclusive').innerHTML = houseInclusive;*/
}

function validatePrice(id)
{
 var a = 30
 var b = 40
 var c = 45
 var d = 50
 var pid = 'PriceCategory' + String(id)
 var days = String(document.getElementById('Days' + String(id)).value)
 var combo = document.getElementById(pid).selectedIndex;
 if (days == 'Sa' || days == 'So' || days == 'Mo'){a = '12'; b = '15'; c = '20'; d = '25'}
 if (days == 'SaSo' || days == 'SaMo' || days == 'SoMo'){a = '24'; b = '30'; c = '40'; d = '50'}
 if(combo == 1) {
 setValuesPrice(id, 0);
 } else if(combo == 2) {
 setValuesPrice(id, a);
 } else if(combo == 3) {
 setValuesPrice(id, b);
 } else if(combo == 4) {
 setValuesPrice(id, c);
 } else if(combo == 0) {
 setValuesPrice(id, '0');
 } else if (combo == 5) {
 setValuesPrice(id,d);
 } 
 sumOfPrice();
}

function setValuesPrice(id, price) {
 document.getElementById('Programm' + id + 'Price').innerHTML = price
}


function sumOfPrice() {
 var sum = 0;
 sumFormated = 0;
 var earlybird = 0;
 earlybirdFormated = 0;
 for (var i = 1 ; i <= 8; i++)
   if(document.getElementById('Programm' + String(i) + 'Price')){
      sum = sum + Number(document.getElementById('Programm' + String(i) + 'Price').firstChild.nodeValue);
     }
 sumFormated = sum.toFixed(2)
 earlybird = 0.8*sum
 earlybirdFormated = earlybird.toFixed(2)
 document.getElementById('sumOfPrice').innerHTML = sumFormated;
 document.getElementById('earlybird').innerHTML = earlybirdFormated;
}

function sumOfHousing() {
 var sum = 0;
 if (document.getElementById('JH_Eltern').value.charAt(0) < "0" ||
        document.getElementById('JH_Eltern').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('JH_Eltern').focus();
    return false;}
 if (document.getElementById('JH_Einzel').value.charAt(0) < "0" ||
        document.getElementById('JH_Einzel').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('JH_Einzel').focus();
    return false;}
 if (document.getElementById('JH_JungeE').value.charAt(0) < "0" ||
        document.getElementById('JH_JungeE').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('JH_JungeE').focus();
    return false;}
 if (document.getElementById('JH_Kind').value.charAt(0) < "0" ||
        document.getElementById('JH_Kind').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('JH_Kind').focus();
    return false;}
 if (document.getElementById('JH_Kleinkind').value.charAt(0) < "0" ||
        document.getElementById('JH_Kindkind').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('JH_Kleinkind').focus();
    return false;}
 if (document.getElementById('Kinderreisebetten').value.charAt(0) < "0" ||
        document.getElementById('Kinderreisebetten').value.charAt(0) > "9"){
    alert("Bitte geben Sie eine Zahl ein!");
    document.getElementById('Kinderreisebetten').focus();
    return false;}
 /*sum = Number(document.getElementById('DZ_Spindelhof').value)*25*3 + Number(document.getElementById('EZ_Spindelhof').value)*30*3 + Number(document.getElementById('Jugendherberge').value)*20*3;
 document.getElementById('sumOfHousing').innerHTML = sum;*/
 }

//-->