<!--

function validateForm(form) 
{
  if (form.name.value == "") 
  {
  alert("A name is required!");
  form.name.focus(); //This focuses the cursor on the empty field
  return false; //This prevents the form from being submitted
  } 
  
  if (form.address1.value == "") 
  {
  alert("An address is required!");
  form.address1.focus(); //This focuses the cursor on the empty field
  return false; //This prevents the form from being submitted
  }
  
  if (form.postcode.value == "") 
  {
  alert("A post or zip code is required!");
  form.postcode.focus(); //This focuses the cursor on the empty field
  return false; //This prevents the form from being submitted
  }

  if (form.comments.value == "") 
  {
  alert("You have not said anything!");
  form.comments.focus(); //This focuses the cursor on the empty field
  return false; //This prevents the form from being submitted
  }  
}

//-->