function itm_checkForm(form) {
  var error = "";
  var error2 = "";
  //Firmname
  if (form.name.value == "") error += "- Name\n";
  //Full Name
  if (form.telefon.value == "") error += "- Telefon\n";
  //EMAIL
  if (form.email.value == ""){
      error += "- Email\n";
  }else{
    var Adresse = form.email.value;
    var Ausdruck = /(.{2,})(@)(.+)(\.)(\w){2,4}/i;
    var Ergebnis = form.email.value.search(Ausdruck);
    if(Ergebnis != 0) {
        error2 = "+ Email is not correct\n";
    }
  }
  //NACHRICHT
  if (form.anmerkungen.value == "") error += "- Anmerkungen\n";
  if ((error != "") || (error2 != "")) {
    window.alert("Bitte Ausfuellen:\n\n" + error+"\n" + error2);
    return false;
  }  else {
    return true;
  }
}