   = The form encoding
    form_error_message = The form error message (optional)

    ok_button_id (optionnal) = the id of the OK button
*}
<div class="modal fade {if ! empty($form_error_message)}modal-force-show{/if}" id="{$dialog_id}" tabindex="-1" {if empty($form_error_message)}aria-hidden="true"{else}aria-hidden="false"{/if}>

    <div class="modal-dialog">
        <div class="modal-content">

            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal