function validateEmail(address) {
  var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  if(reg.test(address) == false)
    return false;
  return true;
}

function checkTrialForm() {
  if(document.getElementById('contact_name').value == '') {
    alert('Please enter your name.');
    document.getElementById('contact_name').select();
    return false;
  }
  if(document.getElementById('facility').value == '') {
    alert('Please enter the name of your facility or organization.');
    document.getElementById('facility').select();
    return false;
  }
  if(validateEmail(document.getElementById('email_address').value) == false) {
    alert('Please enter a valid email address.');
    document.getElementById('email_address').select();
    return false;
  }
  if(document.getElementById('phone_number').value == '') {
    alert('Please enter your phone number.');
    document.getElementById('phone_number').select();
    return false;
  }
  if(document.getElementById('number_of_physicians').value == '') {
    alert('Please choose the number of physicians at your facility.');
    return false;
  }
  if(document.getElementById('current_method').value == '') {
    alert('Please choose your current method of transcription.');
    return false;
  }
  if(document.getElementById('current_turnaround_time').value == '') {
    alert('Please enter your current turnaround time.');
    document.getElementById('current_turnaround_time').select();
    return false;
  }
  if(document.getElementById('desired_turnaround_time').value == '') {
    alert('Please enter your desired turnaround time.');
    document.getElementById('desired_turnaround_time').select();
    return false;
  }
  return true;
}