errori notice come evitarli

[rocco.mod]

salve ragazzi buongiorno ho messo nel mio index error_reporting(E_ALL);

e i da i seguenti errori

Notice: Use of undefined constant SUPPORT - assumed 'SUPPORT' in C:\Programmi\Apache Software Foundation\Apache2.2\htdocs\diva\index.php on line 47

Notice: Undefined variable: nome_pages in C:\Programmi\Apache Software Foundation\Apache2.2\htdocs\diva\index.php on line 60

Notice: Undefined index: active in C:\Programmi\Apache Software Foundation\Apache2.2\htdocs\diva\index.php on line 91

linea 47

if($configurazioni){
     $apertura_siteweb =true;
[COLOR=red]    $smarty->assign("description_title", SUPPORT.":".$siteconfig['titolo_diva']);[/COLOR]     $smarty->assign("titolo_diva" , $siteconfig['titolo_diva']);
    $smarty->assign("nome_diva"   , $siteconfig['nome']);
    $smarty->assign("email_diva"  , $siteconfig['email']);
    $smarty->assign("link_diva"    , $siteconfig['link_diva']);
    $smarty->assign("path_diva"    , $siteconfig['path_diva']);
    $smarty->assign("logo_diva"    , $siteconfig['logo']);
    $smarty->assign("template"         , $siteconfig['template']);
    @$smarty->assign("today"            , @date("j F Y   g:i:s a"));

} 

linea 60

[COLOR=red]if(file_exists("modules/$nome_pages/index.php")and($enabledPage==1)){[/COLOR]    $apertura_siteweb = true;
}/*QUESTA E LA CHIUSURA DI if(file_exists("modules/$nome_pages/index.php")and($enabledPage==1)){*/ 

linea 91

       $array = mysql_fetch_array($estrazione_moduli);
       $nome_pages = $array['nome_pages'];
       $title_pages = $array['title_pages'];
       $enabledPage = intval($array['enable']);
      [COLOR=red] $ActivePage = intval($array['active']);[/COLOR] 

[filippo.toso]

Ti suggerisco di iniziare leggendo questo articolo:

Notice: Undefined variable / index / offset