var warningMessage = '<div class="uir-alert-box warning" width="100%" role="status" style=""><div class="icon warning"><img src="/images/icons/messagebox/icon_msgbox_warning.png" alt=""></div><div class="content"><div class="title">Warning</div><div class="descr">My Warning Message</div></div></div>';

                var field = form.addField({
                    id : 'custpage_error_no_tier_group_'+groupId,
                    type : serverWidget.FieldType.INLINEHTML,
                    label : '.',
                    container: 'custpage_'+groupId
                });
                field.defaultValue = warningMessage;