function validate_enquiry_form(entryform)
{
  with (entryform.ef_name)
      if (value == "")
         {
             alert("You've not entered your name.");
             focus();
             return false;
         }

  with (entryform.ef_email)
      if (value == "")
         {
             alert("You've not entered your email address.");
             focus();
             return false;
         }

  with (entryform.ef_tel)
      if (value == "")
         {
             alert("You've not entered your telephone number.");
             focus();
             return false;
         }

  with (entryform.ef_address)
      if (value == "")
         {
             alert("You've not entered your address.");
             focus();
             return false;
         }

  with (entryform.ef_postcode)
      if (value == "")
         {
             alert("You've not entered your postcode.");
             focus();
             return false;
         }

  with (entryform.ef_vehicle_details)
      if (value == "")
         {
             alert("You've not entered your vehicle details.");
             focus();
             return false;
         }

  with (entryform.ef_product)
      if (value == -1)
         {
             alert("You've not choosen the product you'd like.");
             focus();
             return false;
         }

  with (entryform.ef_qty)
      if (value == "")
         {
             alert("You've not entered the quanity of the product.");
             focus();
             return false;
         }

  with (entryform.ef_collection_method)
      if (value == -1)
         {
             alert("You've not choosen if you're like your product delivered or collected and fitted.");
             focus();
             return false;
         }

  with (entryform.security_code)
      if (value == "")
         {
             alert("You've not entered the security code.");
             focus();
             return false;
         }

	return true;
}