function checkEingabe(){
    
    ok = 1;
    
    // Eingaben pruefen ...
    if(document.Formular.Name.value == ''){
         alert("You did not put a name !");
        ok = 0;}
    if(document.Formular.Vorname.value == ''){
         alert("You did not put a first name !");
        ok = 0;}
    if(document.Formular.Telefon.value == ''){
         alert("You did not put a phone number !");
        ok = 0;} 
	if(document.Formular.PLZ.value == ''){
         alert("You did not put a postcode !");
        ok = 0;} 
	if(document.Formular.Ort.value == ''){
         alert("You did not put a city !");
        ok = 0;}
	if(document.Formular.Land.value == ''){
         alert("You did not put a land !");
        ok = 0;}
          
    if(ok == 0)
        return false
    else
        return true
}