function formcheck(){
 if (document.form2.Name.value==""||document.form2.Name.value=="***")
{ alert ("Please insert your Last Name.");
  document.form2.Name.focus();
  return false; }

if (document.form2.Firma.value==""||document.form2.Firma.value=="***")
{ alert ("Please insert your company name.");
  document.form2.Firma.focus();
  return false; }

if (document.form2.Telefon.value==""||document.form2.Telefon.value=="***")
{ alert ("Please insert your phone number");
  document.form2.Telefon.focus();
  return false; }
  

}