<?
function ulink($uri, $thing)
  {
  global $config;
  return '<a href="'.$config['base_url'].$uri.'">'.$thing.'</a>';
  }
function menuitem($uri, $thing)
  {
  global $config;
  return '<a class="menuitem" href="'.$config['base_url'].$uri.'">'.$thing.'</a>';
  }

function window_open($uri, $thing, $width, $height, $left, $top)
  {
  global $config;
  return "<a href=\"#\" onclick=\" window.open('$uri', 'win', 'width=$width,height=$height,menubar=yes,resizable=yes,left=$left,top=$top'); return false;\">$thing</a>";
  }

function is_email($a)
  {
    return ereg("^.+@.+\..+$",$a);
  }
  
function check_registr()
  {
  global $posted, $db;
  $return['error'] =false;
  if ($posted['pass1']!=$posted['pass2'])
    {
    $return['error'] =true;
    $return['error_key'] = 'pass_error';

    }
  if (empty($posted['pass1']))
    {
    $return['error'] =true;
    $return['error_key'] = 'no_pass';

    }

  $pocet = $db->query_result('SELECT COUNT(*) as pocet FROM `users` WHERE name="'.$posted['name'].'"');
  if ($pocet==1)
    {
    $return['error'] =true;
    $return['error_key'] = 'login_error';

    }
  if (empty($posted['name']))
    {
    $return['error'] =true;
    $return['error_key'] = 'no_login';

    }
  if (!is_email($posted['email']))
    {
    $return['error'] =true;
    $return['error_key'] = 'email_wrong';
  
    }
  $poce = $db->query_result('SELECT COUNT(*) as pocet FROM `users` WHERE email="'.$posted['email'].'"');
  if ($poce==1)
    {
    $return['error'] =true;
    $return['error_key'] = 'email_used';

    }
 
  return $return;
  }
  
function check_add_server()
  {
  global $_POST, $posted, $db;
  $return['error'] = false;
  if (empty($_POST['accept']))
    {
    $return['error'] = true;
    $return['error_msg'] = 'not_accept';
    }
  if (($_POST['web']=='http://') || ($_POST['web_reg']=='http://'))
    {
    $return['error'] = true;
    $return['error_msg'] = 'not_web';
    }
  if (empty($_POST['name']))
    {
    $return['error'] = true;
    $return['error_msg'] = 'not_name'; 
    }
  else {
    $exist = $db->query_result("SELECT count(*) as pocet FROM `servers` where `name` like '%".$posted['name']."%'");
  if ($exist==1)
    {
    $return['error'] = true;
    $return['error_msg'] = 'name_used';
    }}
  return $return;
  }

function print_nick($a)
  {
  global $db, $user;
  $b = $db->strip($db->query_fetch_assoc('SELECT `name`, `admin`, `ban` FROM `users` WHERE `id`='.(int)$a));
  if ($b['admin']==1)
    {
    $return = ulink('user/'.$a, $b['name'].'(Admin)');
    }
  elseif (($b['ban']==1) && ($user['admin']==1))
    {
    $return = ulink('user/'.$a, $b['name'].'(Banned)');
    }
  else
    {
    $return = ulink('user/'.$a, $b['name']);
    }
  return $return;
  }
  
function datum($cas)
  {
  global $dny, $mesice;
$vcera=strtotime("-1 day");
if (date("zY")==date("zY", $cas))
  {
  $dnes="Dnes ".Date("H:i:s", $cas);  
  }
elseif (date("zY", $vcera)==date("zY", $cas))
  {
  $dnes="Včera ".date("H:i:s", $cas);
  }
else
  {
$dnes = $dny[Date("D", $cas)] . Date(" d. ", $cas) .  
$mesice[(int)Date("m", $cas)] . Date(" Y - H:i:s", $cas); 
}
return($dnes);
  }
  
function check_edit_server($server_id)
  {
  global $_POST, $posted, $db;
  $return['error'] = false;
  if (empty($_POST['name']))
    {
    $return['error'] = true;
    $return['error_msg'] = 'not_name'; 
    }
  else {
    $exist = $db->query_result("SELECT count(*) as pocet FROM `servers` where (`name` like TRIM('".$posted['name']."') AND NOT `id`=$server_id)");
  if ($exist==1)
    {
    $return['error'] = true;
    $return['error_msg'] = 'name_used';
    }}
  return $return;
  }

function delserver($server)
  {
  global $db;
  $db->query(0, 'DELETE FROM `servers` WHERE `id`='.$server.' LIMIT 1');
  $db->query(0, 'delete from `comments` where `server`='.$server);
  $db->query(0, 'delete from `ratings` where `server_id`='.$server);
  }
?>