function form_generate($number_layers){

        for ($i = 0; $i<$number_layers; $i++){
        ?>

            <script type="text/javascript">
                $(document).ready(function(){
                   $("#form_<?php echo $i;?>").ajaxForm(function() {
                     alert("Спасибо за комментарий!");
                   });
                });
            </script>

            <Form id="form_<?php echo $i;?>" action="add.php?layer=<?php echo $i;?>" method="post">
                <table>
                    <tr><td>Слой номер <?php echo $i?></td></tr>
                    <tr><td>
                        <input type="button" value="+" onclick="add_input(<?php echo $i?>)">
                        <input type="button" value="-" onclick="del_input(<?php echo $i?>)">
                        <input type="submit" id="button" value="ок">
                    </td></tr>
                </table>

            </form>

        <?php
        }

    }