<form name="vlan" action="" method="post">
      <div class="row">
        <div class="col-md-6">
        <?php
        $con_string= "host=example port=xxxx dbname=example user=example password=example";
        $db_con = pg_connect($con_string);
        $dev = pg_query($db_con, "SELECT DISTINCT "Type" FROM "End_Devices"");

                            echo "
                            <a class="current_page_item">Location NASID:</a>
                            <input type="text" name="nasid" />
                            <br>
                            <a class="current_page_item">Device Name:</a>
                            <input type="text" name="name" />
                            <br>
                            <input type="hidden" name="dvtype"/>
                            <a class="current_page_item">Device Type:</a>
                            <select name="slType" id="slType">";

                            while ($device = pg_fetch_array($dev))
                            {
                                echo "<option id="" .$device['Type'].  "">" .$device['Type']. "</option>";

                            }
                            echo "<script type="text/javascript">

                                $("#slType").chained("#slModel");
                                $("#slType").on("change",function(){
                                    var slTypeID = $(this).val();
                                    $.post('inventoryTEST.php', {slTypeID:slTypeID}, function(data){
                                        $('#slModel').html(data);
                                    });
                                });

                            </script>";


                            echo "
                            </select>
                            <br>
                            <a class="current_page_item">Device Model:</a>
                            <select  name="slModel" id="slModel" >";

                            if (isset($_POST['slTypeid']))
                            {
                                $selection = ($_POST(['slTypeid']));

                            }

                            $mod = pg_query($db_con, "SELECT "Model" FROM "End_Devices" WHERE "Type"="". $selection . """);
                            while ($model = pg_fetch_array($mod))
                            {
                                echo $_POST[type];
                                echo "<option id="" .$model['Model'].  "">" .$model['Model']. "</option>";
                            }
                            echo "
                            </select>
                            <br>
                            <a class="current_page_item">Physical Location:</a>
                            <input type="text" name="location" />
                            <br>
                            <a class="current_page_item">Serial:</a>
                            <input type="text" name="serial" />
                            <br>
                            <a class="current_page_item">IP Address:</a>
                            <input type="text" name="ip" />
                            <br>
                            <a class="current_page_item">MAC:</a>
                            <input type="text" name="mac" />
                            <br>
                            <a class="current_page_item">SSID:</a>
                            <input type="text" name="ssid" />
                            <br>
                            <a class="current_page_item">WLAN Area:</a>
                            <input type="text" name="wlan" />
                            <br>
                            <br>
                            <br>
                        ";
                        ?>
                            <!--SUBMIT INPUT-->
                            <input type="submit" value="Save" name="submit" />
                        </div>
                    </div>
                </form>