$total=mysql_query("select * from laborator where student='".$email."'");
	$suma=0;$medie=0;$nr_note=0;
	while($student=mysql_fetch_array($total))
	{
		if($student['nota']<=4)
	    {$medie=4; }
		else {
			$suma+=$student['nota'];
			$nr_note++;
			$medie=$suma/$nr_note;
			
		}
	}	
	$medie=number_format($medie,2);
		
		
$update_laborator=mysql_query("update laborator set nota=".$nota." where titlu='".$laborator."' and student='".$email."'");	

$update_laborator1=mysql_query("update laborator set incercari=".$incercari." where titlu='".$laborator."' and student='".$email."'");

$update_laborator2=mysql_query("update laborator set promovat=".$promovat." where titlu='".$laborator."' and student='".$email."'");
		$update_users=mysql_query("update users set media=".$medie." where email='".$email."'");