MySQL - Výpis řádku a vložení řádku do jiné tabulky

$sql="SELECT * FROM tabulka1 WHERE (sloupec1 LIKE '$sloupec1')";
    @mysql_query("SET NAMES 'cp1250'");
$navrat=mysql_query($sql);
      echo("<table border=\"1\" align=\"center\">");
      for ($i=0;$i<mysql_num_fields($navrat); $i++){
        echo("<td><strong>".mysql_field_name($navrat, $i)."</strong></td>");
        }
      while (list($sloupec1,$sloupec2,$sloupec3) = mysql_fetch_row($navrat)){
        echo("<tr><td>$sloupec1</td><td>$sloupec2</td><td>$sloupec3</td></tr>");
        }
      echo("</table>");

echo "<form method='post' action='".$_SERVER['PHP_SELF']."?action=pridat2'>\n";
echo "<INPUT type='radio' name='sloupec4' value='osoba1' checked> Osoba1 &nbsp;";
echo "<INPUT type='radio' name='sloupec4' value='osoba2'> Osoba 2 &nbsp;";
echo "<input type='submit' value='VLOŽIT;'>\n";
echo "<input type='hidden' name='formular2' value='OK' />\n";
echo "<input type='hidden' name='session2' value='".$_SERVER['HTTP_COOKIE']."' />\n";
echo "</form>\n";

if ($_GET['action']=='pridat2') {$formular2=true;};

if ( ($_GET['action']='pridat2') and ($formular2=true) and($_POST['formular2']=='OK')
     and ($_POST['session2']=="".$_SERVER['HTTP_COOKIE']."") ) {
    require_once "databaze.inc.php";
    
    $sloupec4 = $_POST['sloupec4'];
    
    $sql2="INSERT INTO tabulka2 VALUES(
    '$sloupec1','$sloupec2','$sloupec3','$sloupec4',now()
    )";
    @mysql_query("SET NAMES 'cp1250'");
    
   $mysql_query2=@mysql_query($sql2);
   $chyba = MySQL_Error();
    echo $chyba;