showBeforeAndAfter = function () {
    window.open('/before-after/popup/', 'before_after', 'width=740, height=540');

}

checkScheduleForm = function () {
    var errors = '';
    if (document.sched_form.first_name.value == ''){
        errors += 'You must enter your first name.\n';
    }
    if (document.sched_form.last_name.value == ''){
        errors += 'You must enter your last name.\n';
    }
    if (document.sched_form.email.value == ''){
        errors += 'You must enter your email address.\n';
    }
    if (document.sched_form.phone.value == ''){
        errors += 'You must enter your phone number.\n';
    }
    if (errors == '') return true;
    alert(errors);
    return false;
}