function LoadItemX(){

echo '<form action="mypage.php" method="POST" class="formX" id="searchh">
<div class="Dleft">Nome Oggetto</div><div class="Dright">
<select name="oggetto" id="seee">';


$urlX = 'data.json';
$request = wp_remote_get( $urlX );
$body = wp_remote_retrieve_body( $request );
$data2 = json_decode($body, true);
for ($j=2;$j<count($data2);$j++){
                                echo '<option value="'.$data2[$j]['NomeOggetto'].'">'.$data2[$j]['NomeOggetto'].'</option>';
                                }


echo '</select></div>
<input type="submit" name="search" Value="Trova" class="subinvia">
</form>';

				   }//end [LoadItemXX]

add_shortcode( 'LoadItemXX', 'LoadItemX' );