function validate_form(){



	if (petform.firstname.value == "")
  {
    alert("Please enter a value for the First Name field.");
    petform.firstname.focus();
    return (false);
  }

  


	if (petform.surname.value == "")
  {
    alert("Please enter a value for the Surname field.");
    petform.surname.focus();
    return (false);
  }
  



	if (petform.address.value == "")
  {
    alert("Please enter a value for the Address field.");
    petform.address.focus();
    return (false);
  }  



	if (petform.town.value == "")
  {
    alert("Please enter a value for the Town field.");
    petform.town.focus();
    return (false);
  }
  
  	if (petform.postcode.value == "")
  {
    alert("Please enter a value for the Postcode field.");
    petform.postcode.focus();
    return (false);
  }
  
  	if (petform.telephone.value == "")
  {
    alert("Please enter a value for the Telephone field.");
    petform.telephone.focus();
    return (false);
  }
  
    	if (petform.email.value == "")
  {
    alert("Please enter a value for the EMail field.");
    petform.email.focus();
    return (false);
  }



  return (true);

  }