sql_query($sql))
	{
		return 'ERROR';
	}
	else
	{
		$row = $db->sql_fetchrow($result);
		if($mode == 'newestuser')
		{
			return($row);
		}
		else if($mode == "usersonline")
		{
			return ($row['online']);
		}
		else
		{
			return($row['total']);
		}
	}
}
function make_jumpbox($db)
{
	global $l_jumpto, $l_noforums, $l_nocategories;
	$sql = "SELECT c.*
		FROM ".CATEGORIES_TABLE." c, ".FORUMS_TABLE." f
		WHERE f.cat_id = c.cat_id
		GROUP BY c.cat_id, c.cat_title, c.cat_order
		ORDER BY c.cat_order";
	if(!$q_categories = $db->sql_query($sql)) 
	{
		$db_error = $db->sql_error();
		error_die($db, GENERAL_ERROR, "Couldn't obtain category list ".$db_error["message"]." : make_jumpbox");
	}
	$total_categories = $db->sql_numrows();
	if($total_categories)
	{
		$category_rows = $db->sql_fetchrowset($q_categories);
		$limit_forums = "";
	
		$sql = "SELECT *
			FROM ".FORUMS_TABLE." 
			ORDER BY cat_id, forum_order";
		if(!$q_forums = $db->sql_query($sql))
		{
			error_die($db, QUERY_ERROR);
		}
		$total_forums = $db->sql_numrows($q_forums);
		$forum_rows = $db->sql_fetchrowset($q_forums);
		$boxstring = '';
		for($i = 0; $i < $total_categories; $i++)
		{
			$boxstring .= "\n";
			$boxstring .= "\n";
			$boxstring .= "\n";
			
			if($total_forums)
			{
				for($y = 0; $y < $total_forums; $y++)
				{
					if(  $forum_rows[$y]["cat_id"] == $category_rows[$i]["cat_id"] )
					{
						$name = stripslashes($forum_rows[$y]["forum_name"]);
						$boxstring .=  "\n";
					}
				}
			}
			else 
			{
				$boxstring .= "\n";
			}
		}
	}
	else
	{
		$boxstring .= "\n";
	}
	return($boxstring);
}
function language_select($default, $name="language", $dirname="language/")
{
	global $phpEx;
	$dir = opendir($dirname);
	$lang_select = "\n";
	closedir($dir);
	return $lang_select;
}
function theme_select($default, $db)
{
	$sql = "SELECT theme_id, theme_name FROM ".THEMES_TABLE." ORDER BY theme_name";
	if($result = $db->sql_query($sql))
	{
		$num = $db->sql_numrows($result);
		$rowset = $db->sql_fetchrowset($result);
		$theme_select = "\n";
	}
	else
	{
		$theme_select = "";
	}
	return($theme_select);
}
//
// Initialise user settings on page load
//
function init_userprefs($userdata)
{
	global $override_user_theme;
	global $bgcolor, $table_bgcolor, $textcolor, $category_title, $table_header;
	global $color1, $color2, $header_image, $newtopic_image;
	global $reply_locked_image, $reply_image, $linkcolor, $vlinkcolor;
	global $default_lang, $date_format, $sys_timezone;
	if(!$override_user_theme)
	{
		if($userdata['user_id'] != ANONYMOUS || $userdata['user_id'] != DELETED)
		{
			$theme = setuptheme($userdata["user_theme"]);
		}
		else
		{
			$theme = setuptheme($default_theme);
		}
	}
	else
	{
		$theme = setuptheme($override_user_theme);
	}
	if($theme) 
	{
		$bgcolor = $theme["bgcolor"];
		$table_bgcolor = $theme["table_bgcolor"];
		$textcolor = $theme["textcolor"];
		$category_title = $theme["category_title"];
		$table_header = $theme["table_header"];
		$color1 = $theme["color1"];
		$color2 = $theme["color2"];
		$header_image = $theme["header_image"];
		$newtopic_image = $theme["newtopic_image"];
		$reply_locked_image = $theme["reply_locked_image"];
		$reply_image = $theme["reply_image"];
		$linkcolor = $theme["linkcolor"];
		$vlinkcolor = $theme["vlinkcolor"];
	}
	if($userdata["user_lang"] != "")
	{
		$default_lang = $userdata["user_lang"];
	}
	if($userdata["user_dateformat"] != "")
	{
		$date_format = $userdata["user_dateformat"];
	}
	if($userdata["user_timezone"])
	{
		$sys_timezone = $userdata["user_timezone"];
	}
	// Include the appropriate language file ... if it exists.
	if(!strstr($PHP_SELF, "admin"))
	{
		if(file_exists('language/lang_'.$default_lang.'.'.$phpEx))
		{
			include('language/lang_'.$default_lang.'.'.$phpEx);
		}
	}
	else
	{
		if(strstr($PHP_SELF, "topicadmin"))
		{
			include('language/lang_'.$default_lang.'.'.$phpEx);
		}
		else
		{
			include('../language/lang_'.$default_lang.'.'.$phpEx);
		}
	}
	return;
}
function setuptheme($theme)
{
	global $db;
	$sql = "SELECT * 
		FROM ".THEMES_TABLE." 
		WHERE theme_id = '$theme'";
	if(!$result = $db->sql_query($sql))
		return(0);
	if(!$myrow = $db->sql_fetchrow($result))
		return(0);
	return($myrow);
}
function tz_select($default)
{
	global $board_tz;
	if(!isset($default))
	{
		$default == $board_tz;
	}
	$tz_select = "\n";
	return($tz_select);
}
function validate_username(&$username, $db)
{
	$username = trim($username);
	$username = strip_tags($username);
	$username = htmlspecialchars($username);
	if(empty($username))
	{
		return(FALSE);
	}
	
	$valid_name = TRUE;
	$sql = "SELECT LOWER(username) FROM ".USERS_TABLE." WHERE username = '$username'";
	if($result = $db->sql_query($sql))
	{
		if( ($numrows = $db->sql_numrows($result) ) > 0)
		{
			$valid_name = FALSE;
		}
	}
	
	$sql = "SELECT disallow_username FROM ".DISALLOW_TABLE." WHERE disallow_username = '$username'";
	if($result = $db->sql_query($sql))
	{
		if(($numrows = $db->sql_numrows($result)) > 0)
		{
			$valid_name = FALSE;
		}
	}
	
	return($valid_name);
}
function generate_activation_key()
{
	$chars = array( 
		  "a","A","b","B","c","C","d","D","e","E","f","F","g","G","h","H","i","I","j","J",
		  "k","K","l","L","m","M","n","N","o","O","p","P","q","Q","r","R","s","S","t","T",
		  "u","U","v","V","w","W","x","X","y","Y","z","Z","1","2","3","4","5","6","7","8",
		  "9","0"
		  );
   $max_elements = count($chars) - 1;
   srand((double)microtime()*1000000);
   $act_key = $chars[rand(0,$max_elements)];
   $act_key .= $chars[rand(0,$max_elements)];
   $act_key .= $chars[rand(0,$max_elements)];  
   $act_key .= $chars[rand(0,$max_elements)]; 
   $act_key .= $chars[rand(0,$max_elements)]; 
   $act_key .= $chars[rand(0,$max_elements)]; 
   $act_key .= $chars[rand(0,$max_elements)]; 
   $act_key .= $chars[rand(0,$max_elements)];
   $act_key_md = md5($act_key);
   
   return($act_key_md);
}
function encode_ip($dotquad_ip)
{
	$ip_sep = explode(".", $dotquad_ip);
//	return sprintf("%02x%02x%02x%02x", $ip_sep[0], $ip_sep[1], $ip_sep[2], $ip_sep[3]);
		
	return (( $ip_sep[0] * 0xFFFFFF + $ip_sep[0] ) + ( $ip_sep[1] *   0xFFFF + $ip_sep[1] ) + ( $ip_sep[2] *     0xFF + $ip_sep[2] ) + ( $ip_sep[3] ) );
}
function decode_ip($int_ip)
{
	$hexipbang = explode(".",chunk_split($int_ip, 2, "."));
//	return hexdec($hexipbang[0]).".".hexdec($hexipbang[1]).".".hexdec($hexipbang[2]).".".hexdec($hexipbang[3]);
		
	return sprintf( "%d.%d.%d.%d", ( ( $int_ip >> 24 ) & 0xFF ), ( ( $int_ip >> 16 ) & 0xFF ), ( ( $int_ip >>  8 ) & 0xFF ), ( ( $int_ip       ) & 0xFF ) );
}
?>