<!--
function Compute(){
   var Preis;
   //alert(document.forms[0].Anzahl.Value)
   if (document.forms[0].Quantity.value > 5){
      Preis = document.forms[0].Quantity.value * ProductPrice2 ;
   }else{
      Preis = document.forms[0].Quantity.value * ProductPrice1 ;
   }
   document.forms[0].Price.value = Preis;
}
function Info(){
   alert('If you would like to order multiple licenses and register them on different names then please use the text field to insert the user names and the email addresses.\n\n' +
         'If you order multiple licenses and leave this field empty then all licenses will have the same user name and email address as given below with an ascending number.\n\n' +
         'Please use this field as well if the name and the email address for the registered user is different then the name and the email address in the billing information below.');
}
function CopyInfo(){
   var Email
   Email = document.forms[0].Email.value;
   if (Email != "") { Email = Email + " "}
   alert ('If you wish, a copy of this order can ' +
          'be sent to the email address ' + Email + 'above.\n')
}
function CheckForm(){
   if(document.forms[0].Name.value == ""){
     alert("Please enter your name and prename.");
     document.forms[0].Name.focus();
     return false;
   }
   if(document.forms[0].Email.value == ""){
     alert("Please enter your email address.");
     document.forms[0].Email.focus();
     return false;
   }else{
      if ( ! checkEmail( document.forms[0].Email.value, true ) ) {
        alert ("Your email address does not have a proper syntax.\n");
        return false;
      }
   }   
   if(document.forms[0].Address.value == ""){
     alert("Please enter your address.");
     document.forms[0].Address.focus();
     return false;
   }
   if(document.forms[0].City.value == ""){
     alert("Please enter City and ZIP.");
     document.forms[0].City.focus();
     return false;
   }
   if(document.forms[0].Country.value == ""){
     alert("Please enter your country.");
     document.forms[0].Country.focus();
     return false;
   }
   return true
}
//-->