vytažení dalšího sloupce z DB

function taag() 
{
  $result = mysql_query("SELECT * FROM articles GROUP BY nazev ORDER BY hits DESC");
  while($row = mysql_fetch_array($result)) 
  {
    $arr[$row['nazev']] = $row['hits'];
  }
  ksort($arr);
  return $arr;
}

function tag_info() 
{
  $result = mysql_query("SELECT * FROM articles GROUP BY nazev ORDER BY hits DESC");
  while($row = mysql_fetch_array($result)) 
  {
    $arr[$row['nazev']] = $row['hits'];
  }
  ksort($arr);
  return $arr;
}
function tag_cloud() 
{
  $min_size = 10;
  $max_size = 30;
      
  $tags = tag_info();
      
  $minimum_count = min(array_values($tags));
  $maximum_count = max(array_values($tags));
  $spread = $maximum_count - $minimum_count;
      
  if($spread == 0) 
  {
    $spread = 1;
  }
      
  $cloud_html = '';
  $cloud_tags = array();
      
  foreach ($tags as $tag => $count) 
  {
    $size = $min_size + ($count - $minimum_count) * ($max_size - $min_size) / $spread;
    $cloud_tags[] = '<a style="font-size: '. floor($size) . 'px' . '" class="tag_cloud" href="#">'. htmlspecialchars(stripslashes($tag)) . '</a>';
  }
  $cloud_html = join("\n", $cloud_tags) . "\n";
  
  return $cloud_html;
}