if (!empty($_GET['id_tovar'])) $tovar = $_GET['id_tovar']; 
	 
		
		$zapros_0 = "SELECT id_unit, name FROM unit_tb ";
		$zapros_0. " WHERE pkod = '$tovar' ORDER BY id_unit ";
        $result_zapros_0 = mysql_query ($zapros_0,$lnk);
        $arr_0 = mysql_fetch_assoc($result_zapros_0) ; // узнаем id и имя 
		
		$name_top = $arr_0['name'] ;  // ИМЯ МЕНЮ
		 
		 while ($arr_0 = mysql_fetch_assoc($result_zapros_0)) 
		{ 

			$id_unit_firma = $arr_0['id_unit'] ;
			$name_firma = $arr_0['name'] ;
	
	$zapros_1 = " SELECT * FROM unit_tb WHERE pkod = '$id_unit_firma' AND nal >0 AND kol >0 AND price > 10 ORDER BY price";
    $result_zapros_1 = mysql_query ($zapros_1,$lnk);
    $arr_1 = mysql_fetch_assoc($result_zapros_1) ;

	if ($arr_1 == '') 
	{ 
		
	    $proverka = "SELECT * FROM unit_tb WHERE pkod = '$id_unit_firma' AND name = '$name_top' ";
        $result_proverka = mysql_query ($proverka,$lnk);
        $arr_22 = mysql_fetch_assoc($result_proverka) ;
		
		$id_unit_firmatop = $arr_22['id_unit'] ;	// ИМЯ МЕНЮ
	   	   
		$zapros_2 = "SELECT * FROM unit_tb WHERE pkod = '$id_unit_firmatop' AND nal >0 AND kol >0 AND price > 10 ORDER BY price ";
        $result_zapros_2 = mysql_query ($zapros_2,$lnk);
        $arr_2 = mysql_fetch_assoc($result_zapros_2) ;
		
		if ($arr_2 == '') {} else { while ($arr_2 = mysql_fetch_assoc($result_zapros_2)) { выводим все блоки  }  } 
	}
	else {   while ($arr_1 = mysql_fetch_assoc($result_zapros_1)) {  выводим все блоки }   }