.makeEditable({
 sUpdateURL: "php/upduser.php",

 sAddURL: "php/adduser.php",
 sAddHttpMethod: "POST",
 sDeleteHttpMethod: "POST",
 sDeleteURL: "DeleteData.php",
                                                    "aoColumns": [
                                                            {   cssclass: "required"},

                                                            {  cssclass: "required" },

                                                            null,

                                                            null,
                                                            { indicator: 'Saving access level...',
          tooltip: 'Click to select access level',
          loadtext: 'loading...',
          type: 'select',
          onblur: 'submit',
          data: "{'':'Please select...', 'admin':'admin','TL':'TL','user':'user','trainer':'trainer'}"
                                                     },

   ],
                                        oAddNewRowButtonOptions: {label: "Add...",
                                                        icons: {primary:'ui-icon-plus'}
                },
                                        oDeleteRowButtonOptions: {label: "Remove",
                                                        icons: {primary:'ui-icon-trash'}
                    },

                                        oAddNewRowFormOptions: {
                              title: 'Add a new user',
                                                        show: "blind",
                                                        hide: "slide",
                              modal: true
                }   ,
    sAddDeleteToolbarSelector: .dataTables_length"

                                            });

<form id="formAddNewRow" action="#" title="Add a new user" style="width:600px;min-width:600px">
        <label for="member_id">Member ID</label><br />
    <input type="text" name="member_id" id="member_id" class="required" rel="0" />
        <br />
        <label for="login">Username</label><br />
    <input type="text" name="login" id="login" rel="1" />
    <input type="hidden" name="name" rel="2" />
    <input type="hidden" name="surname" rel="3" />

        <br />
        <label for="security">Access Level</label><br />
    <select name="security" id="security" rel="4">
                <option>admin</option>
                <option>TL</option>
                <option>user</option>
                <option>trainer</option>
        </select>
        <br />

</form>

<?php

$database="***";
$host="***";
$user="****";
$password="***";
$table="members";

mysql_connect($host,$user,$password);
mysql_select_db($database) or die( "Unable to select database");




$member    = $_POST['member_id'];
$username  = $_POST['login'];
$security  = $_POST['security'];


$query = "insert into $table (member_id, login, security) values ("$member", "$username", "$security")";

$result = mysql_query($query);


if (!$result) { echo "Insert failed"; }
else          { echo "ok"; }

mysql_close();
?>