{
var text = "* ";
var field1, field2, field3, field4, field5, field6, field7, field8;

function checkAll(obj) {

 // E-Mail-Angabe pruefen
 var email = obj.email.value;
 var re_email = /^[a-zA-Z0-9_.+-]+@[^@]+[^@.]\.[a-zA-Z]{2,}$/;
 emailOK = re_email.test(email);

 // Ausgabe: 6. Zeile
 field8 = document.getElementById("email1");
 if (email == "") { 
  field8.innerHTML = text + 'Bitte E-Mail ';
 }
 else if(emailOK == false) {
  field8.innerHTML = text + 'E-Mail falsch';
 }
 else {
  field8.innerHTML = "";
 }


 // Wenn alle Eingaben richtig sind: Formular absenden
 if(emailOK) {
  document.Kontakt.submit();
 }
}
}