ticket-view.inc.php

        <p class="full-width">
            <span class="buttons" style="float:left">
                <input type="button" value="Cancel" class="close">
            </span>
            <span class="buttons" style="float:right">
                <input type="submit" value="OK">
            </span>
         </p>
    </form>
    <div class="clear"></div>
</div>
<script type="text/javascript">
$(function() {
    $(document).on('click', 'a.change-user', function(e) {
        e.preventDefault();
        var tid = <?php echo $ticket->getOwnerId(); ?>;
        var cid = <?php echo $ticket->getOwnerId(); ?>;
        var url = 'ajax.php/'+$(this).attr('href').substr(1);
        $.userLookup(url, function(user) {
            if(cid!=user.id
                    && $('.dialog#confirm-action #changeuser-confirm').length) {
                $('#newuser').html(user.name +' &lt;'+user.email+'&gt;');
                $('.dialog#confirm-action #action').val('changeuser');
                $('#confirm-form').append('<input type=hidden name=user_id value='+user.id+' />');
                $('#overlay').show();
                $('.dialog#confirm-action .confirm-action').hide();
                $('.dialog#confirm-action p#changeuser-confirm')
                .show()
                .parent('div').show().trigger('click');
            }
        });
    });
});
</script>