function validate()
{
  $('#error').hide();
  var validEmail = /\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}\b/;
  var error = false;
  var errorString = '';
  
  if(jQuery.trim($('#name').val()) == '')
  {
    error = true;
    errorString += 'Please enter your name.<Br/>';
  }

  if(!validEmail.test($('#email').val()))
  {
    error = true;
    errorString += 'Please enter a valid E-mail address.<br/>';
  }
  
  if(jQuery.trim($('#message').val()) == '')
  {
    error = true;
    errorString += 'Please enter a message.';
  }
  
  if (error)
  {
    $('#error').show();
    $('#error').html(errorString);
    return false;
  }
  return true;
}