/**
     * Crea tabella dinamica in modo automatico
     * 
     * @param string $dataTableName ID da assegnare alla tabella non dimenticare inizializzazione jquery
     * @param string $tableName Nome tabella mysql
     * @param array $a_colName Titoli delle colonne
     * @param array $a_fields Nome dei campi come db
     */
    function dataTable($dataTableName, $tableName, $a_colName, $a_fields){
        global $page;
        mysql_connect("localhost", "root", "");
        mysql_select_db("db");
        if( count($a_colName) != count($a_fields) ){
            echo "errore #3001";
            exit();
        }
        $numCol = count($a_colName);
        $q = "SELECT id, ";
        foreach ($a_fields AS $campo){
            $q .= $campo . ", ";
        }
        $q = substr($q, 0, -2);
        $q .= " FROM $tableName";
        
        $result = mysql_query($q);
        if(!$result) echo mysql_error ();
        
        echo "<table id=\"$dataTableName\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\" class=\"table table-bordered table-striped\">";
        echo "<thead>";
        foreach ($a_colName AS $col){
                echo "<th>" . $col . "</th>" ;
            }
       echo "</thead>";
        $count = mysql_affected_rows();
        if($count != 0) {
            while ( $data = mysql_fetch_assoc($result) ){
                echo '<tr id="' . $data['id'] . '"> '; 
                foreach ($a_fields AS $campo){
                    echo "<td>" . $data[$campo] . "</td>" ;
                }
             echo '</tr>';
            }
        } else {
            echo "";
        }
        echo "</table>";
        echo ' <script> $(document).ready(function() { $("#'.$dataTableName .'").dataTable(); });</script>';
            
            
    }