function inputHintIn(el)
{
    if(el.title == el.value)
        el.value='';
}
function inputHintOut(el)
{
    if(el.value == '')
        el.value=el.title;
}

function validateNewsletterForm()
{
    nameEl = document.getElementById('newsletter_name');
    emailEl = document.getElementById('newsletter_email');
    postcodeEl = document.getElementById('newsletter_postcode');
    
    if(nameEl.value == '' || nameEl.value == nameEl.title || emailEl.value == '' || emailEl.value == emailEl.title || postcodeEl.value == '' || postcodeEl.value == postcodeEl.title)
    {
      alert('Please fill in the Name, Email Address and Post Code before pressing submit.');
      return false;
    }
    return true;
}