var touched_input = false;

function on_call_me_focus(perezvon_id) {
    touched_input = true;
    $('#p_phone_'+perezvon_id).val('');
}

function on_call_me_submit(perezvon_id) {
    if($('#p_phone_'+perezvon_id).val().length && touched_input) {
    $.ajax({
            type: 'get',
            url: 'call_me_aj_handler.php',
            dataType: 'html',
            data: {recall_order_phone: $('#p_phone_'+perezvon_id).val()},
            success: function (html) {
                $('#call_me_message_'+perezvon_id).html(html);
            }
        });
   } else {
        $('#call_me_message_'+perezvon_id).html('Введите телефон');
   }
}