Che nabbo che sono, Gli ho messi per proforma, si meglio toglierli ok.

Notice: Undefined variable: NOM in C:\Program Files\EASYPHP\www\home.php on line 78

Notice: Undefined variable: COG in C:\Program Files\EASYPHP\www\home.php on line 78

non capisco

Codice PHP:
".$NOM.$COG.$TEXT." 
Codice PHP:
<?PHP
                        
            IF (ISSET($_POST['HOME'])) {
            
            } ELSE {
                INCLUDE 'cycle.php';
            }
            
            INCLUDE 'connection.php';        
            
            IF (ISSET($_POST['COMMENT'])) {
                $TEXT = $_POST['COMMENT'];
                
                IF ($TEXT!='') {
                
                    mysql_connect('localhost','root','') OR DIE ('NO CONNECT!');                
                    mysql_select_db('noteit') OR DIE ('NO DB!');
                    
                    $DATE = (DATE('d-m-Y'));
                    $TIME = (DATE('G:i:s'));
                    
                    $RESULT = mysql_query("SELECT ID, NOME, COGNOME FROM utenti WHERE EMAIL='" .$_SESSION['EMAIL']. "' AND CODE='" .$_SESSION['CODE']. "'");
                                        
                        WHILE ($ROW1 = mysql_fetch_array($RESULT)) { 
                            $_SESSION['ID'] = $ROW1['ID']; 
                            $_SESSION['NOME'] = $ROW1['NOME']; 
                            $_SESSION['COGNOME'] = $ROW1['COGNOME']; 
                        }
                    
                    $INSERT = mysql_query("INSERT INTO home VALUES ('','".$_SESSION['NOME']."','".$_SESSION['COGNOME']."','$DATE','$TIME','$TEXT')");
                
                        WHILE ($ROW2 = mysql_fetch_array($RESULT)) {
                            $_SESSION['NOME'] = $ROW2['NOME'];
                            $_SESSION['COGNOME'] = $ROW2['COGNOME'];
                        }
                        
                    IF (ISSET($_SESSION['NOME'], $_SESSION['COGNOME'])) {
                        
                        $_SESSION['NOME'] = $NOM;
                        $_SESSION['COGNOME'] = $COG;
                        
                    } ELSE {
                    
                    }
                
                } ELSE {
                    
                }
                
            } ELSE {
                $TEXT = NULL;
            }
            
            $TAB =
            "<DIV ID='BOX7' CLASS='CENTRO2 TESTO C1 CB2' ALIGN='JUSTIFY'>
                ".$NOM.$COG.$TEXT."
            </DIV>";    
                        
        ?>