case 1:
    // Memorizza lingua primaria e definisce lingue secondarie
    if (isset($_REQUEST["lg"]))  $lg = trim(getvar("lg"));
    if (isset($_REQUEST["df"]))  
    	$df = 1;
    else 
    	$df = 0;
    
   	$db = new owdb;
    $db->set_url(_DBURL); 
	$db->connect();
	$db->query("select df from language");
	$row = $db->fetch_object();
	top();
	if ($df && $row->df)
	{
		echo "<script language=\"javascript\">window.alert(\"Lingua predefinita gia' memorizzata\");</script>";
	} else {
		$db->insert('language', array('lg','df'), array($lg,$df));
	}
	$db->query("select lg from language");
	while($row = $db->fetch_object()) {
		$arr[] = $row->lg;
	}
	$db->close();
	
    form_add($arr,$lang['language']);
	bottom();
    break;

function form_add($arr,$lang2){
	echo "<form action=\"".basename($_SERVER["PHP_SELF"])."\" method=\"post\">\n"
	."<fieldset>\n"
	."<legend>Definizione lingue</legend>"
    ."<input type=\"hidden\" name=\"ed\" value=\"1\" />\n"
    ."<select name=\"lg\">\n";
	foreach($lang2 as $key=>$val)
	{
	  $found=false;
	  for($i=0;$i<count($arr);$i++)
	    if($key == $arr[$i]) 
	    	$found=true;
	  if(!$found)
	    echo "<option value=\"".$key."\">".$val."</option>\n";
	}
    echo "</select>\n"
    ."<label for=\"df\">Lingua predefinita</label><input type=\"checkbox\" name=\"df\" id=\"df\" />\n"
    ."<input type=\"submit\" value=\"Salva\" />\n"
    ."</fieldset>\n"
    ."</form>\n";
}