function chkFormular()
{
 if(document.Formular.Name.value == "")
  {
   alert("Please enter your name!");
   document.Formular.Name.focus();
   return false;
  }
 if(document.Formular.Adresse.value == "")
  {
   alert("Please enter your address!");
   document.Formular.Adresse.focus();
   return false;
  }
 if(document.Formular.PLZ.value == "")
  {
   alert("Please enter your postal code!");
   document.Formular.PLZ.focus();
   return false;
  }
 if(document.Formular.Ort.value == "")
  {
   alert("Please enter your town!");
   document.Formular.Ort.focus();
   return false;
  }
 if(document.Formular.Land.value == "")
  {
   alert("Please enter your country!");
   document.Formular.Land.focus();
   return false;
  }
 if(document.Formular.email.value == "")
  {
   alert("Please enter your e-mail address!");
   document.Formular.email.focus();
   return false;
  }
      if(document.Formular.email.value.indexOf('@') == -1)
  {
   alert("No valid e-mail!");
   document.Formular.email.focus();
   return false;
  }
}