Отправка формы по нажатию Ctrl+Enter

</body>

{literal}
<script type="text/javascript">
document.addEvent('keyup', function(e){
        if(e.control && e.key == 'enter')
        {
                $("comment_submit").click();
                $("comment_body").blur();
                return false;
        }
});
</script>
{/literal}