// Check that all fields except address2 have non-blank values.

function validate(event)
{
  var valid = true;
  var textareas = document.getElementsByTagName('textarea');
  for (var i = 0; i < textareas.length && valid; i++)
  {
    if (textareas[i].name == 'message' && textareas[i].value == '')
      valid = false;
  }
  var inputs = document.getElementsByTagName('input');
  for (var j = 0; j < inputs.length; j++)
  {
    var input = inputs[j];
    if (input.type == 'text' && input.name != 'address2'
        && input.value == '')
      valid = false;
    else if (input.name == 'telephone' && !input.value.match(/\([0-9]{3}\) ?[0-9]{3}\-[0-9]{4}/))
    {
      event.preventDefault();
      alert("Please enter your telephone number in the form (XXX) XXX-XXXX.");
      return;
    }
  }
  if (!valid)
  {
    event.preventDefault();
    alert("You must fill in all fields to submit your request.");
  }
}