diff --git a/root/portal/block/birthday_list.php b/root/portal/block/birthday_list.php
index fc750366..0fce38f0 100644
--- a/root/portal/block/birthday_list.php
+++ b/root/portal/block/birthday_list.php
@@ -22,11 +22,25 @@ if ($config['load_birthdays'] && $config['allow_birthdays'])
 {
 	$now = getdate(time() + $user->timezone + $user->dst - date('Z'));
 	$today = (mktime(0, 0, 0, $now['mon'], $now['mday'], $now['year']));
+	
+	switch ($db->sql_layer)
+	{
+		case 'mssql':
+		case 'mssql_odbc':
+			$sql = 'SELECT user_id, username, user_colour, user_birthday
+			FROM ' . USERS_TABLE . "
+			WHERE user_birthday <> ''
+			AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ') ORDER BY user_birthday ASC';
+		break;
+	
+		default:
+			$sql = 'SELECT user_id, username, user_colour, user_birthday
+			FROM ' . USERS_TABLE . "
+			WHERE user_birthday <> ''
+			AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ') ORDER BY SUBSTRING(user_birthday FROM 4 FOR 2) ASC, SUBSTRING(user_birthday FROM 1 FOR 2) ASC, username_clean ASC';
+		break;
+	}
 	 
-	$sql = 'SELECT user_id, username, user_colour, user_birthday
-	FROM ' . USERS_TABLE . "
-	WHERE user_birthday <> ''
-	AND user_type IN (" . USER_NORMAL . ', ' . USER_FOUNDER . ') ORDER BY SUBSTRING(user_birthday FROM 4 FOR 2) ASC, SUBSTRING(user_birthday FROM 1 FOR 2) ASC, username_clean ASC';
 	$result = $db->sql_query($sql);
 
 	while ($row = $db->sql_fetchrow($result))
diff --git a/root/portal/block/friends.php b/root/portal/block/friends.php
index d8df4fb5..8d57ccca 100644
--- a/root/portal/block/friends.php
+++ b/root/portal/block/friends.php
@@ -25,26 +25,55 @@ $s_display_friends = false;
 // Output listing of friends online
 $update_time = $config['load_online_time'] * 60;
 
-$sql = $db->sql_build_query('SELECT_DISTINCT', array(
-	'SELECT'	=> 'u.user_id, u.username, u.user_colour, u.user_allow_viewonline, MAX(s.session_time) as online_time, MIN(s.session_viewonline) AS viewonline',
-	'FROM'		=> array(
-		USERS_TABLE	=> 'u',
-		ZEBRA_TABLE	=> 'z'
-	),
+	switch ($db->sql_layer)
+	{
+		case 'mssql':
+		case 'mssql_odbc':
+			$sql = $db->sql_build_query('SELECT_DISTINCT', array(
+				'SELECT'	=> 'u.user_id, u.username, u.user_colour, u.user_allow_viewonline, MAX(s.session_time) as online_time, MIN(s.session_viewonline) AS viewonline',
+				'FROM'		=> array(
+										USERS_TABLE	=> 'u',
+										ZEBRA_TABLE	=> 'z'
+								),
 
-	'LEFT_JOIN'	=> array(
-		array(
-			'FROM'	=> array(SESSIONS_TABLE => 's'),
-			'ON'	=> 's.session_user_id = z.zebra_id'
-		)
-	),
+				'LEFT_JOIN'	=> array(
+					array(
+				'FROM'	=> array(SESSIONS_TABLE => 's'),
+				'ON'	=> 's.session_user_id = z.zebra_id'
+					)
+				),
 
-	'WHERE'		=> 'z.user_id = ' . $user->data['user_id'] . '
-		AND z.friend = 1
-		AND u.user_id = z.zebra_id',
-	'GROUP_BY'	=> 'z.zebra_id, u.user_id, u.username, u.user_allow_viewonline, u.user_colour',
-	'ORDER_BY'	=> 'u.username_clean ASC',
-));
+				'WHERE'		=> 'z.user_id = ' . $user->data['user_id'] . '
+				AND z.friend = 1
+				AND u.user_id = z.zebra_id',
+				'GROUP_BY'	=> 'z.zebra_id, u.user_id, u.username, u.user_allow_viewonline, u.user_colour',
+				'ORDER_BY'   => 'u.username ASC',
+			));
+		break;
+	
+		default:
+			$sql = $db->sql_build_query('SELECT_DISTINCT', array(
+				'SELECT'	=> 'u.user_id, u.username, u.user_colour, u.user_allow_viewonline, MAX(s.session_time) as online_time, MIN(s.session_viewonline) AS viewonline',
+				'FROM'		=> array(
+										USERS_TABLE	=> 'u',
+										ZEBRA_TABLE	=> 'z'
+								),
+
+				'LEFT_JOIN'	=> array(
+					array(
+				'FROM'	=> array(SESSIONS_TABLE => 's'),
+				'ON'	=> 's.session_user_id = z.zebra_id'
+					)
+				),
+
+				'WHERE'		=> 'z.user_id = ' . $user->data['user_id'] . '
+				AND z.friend = 1
+				AND u.user_id = z.zebra_id',
+				'GROUP_BY'	=> 'z.zebra_id, u.user_id, u.username, u.user_allow_viewonline, u.user_colour',
+				'ORDER_BY'	=> 'u.username_clean ASC',
+			));
+		break;
+	}
 
 $result = $db->sql_query_limit($sql, $portal_config['portal_max_online_friends']);
 
diff --git a/root/portal/block/random_member.php b/root/portal/block/random_member.php
index 7e8e49a0..41fa2db0 100644
--- a/root/portal/block/random_member.php
+++ b/root/portal/block/random_member.php
@@ -20,13 +20,35 @@ if (!defined('IN_PORTAL'))
    exit;
 }
 
-$sql = 'SELECT *
-	FROM ' . USERS_TABLE . '
-	WHERE user_type <> ' . USER_IGNORE . '
-		AND user_type <> ' . USER_INACTIVE . '
-	ORDER BY RAND() 
-	LIMIT 1';
-$result = $db->sql_query($sql);
+	switch ($db->sql_layer)
+	{
+		case 'postgres':
+			$sql = 'SELECT *
+			FROM ' . USERS_TABLE . '
+			WHERE user_type <> ' . USER_IGNORE . '
+			AND user_type <> ' . USER_INACTIVE . '
+			ORDER BY RANDOM()';
+		break;
+	
+		case 'mssql':
+		case 'mssql_odbc':
+			$sql = 'SELECT *
+			FROM ' . USERS_TABLE . '
+			WHERE user_type <> ' . USER_IGNORE . '
+			AND user_type <> ' . USER_INACTIVE . '
+			ORDER BY NEWID()';
+		break;
+	
+		default:
+			$sql = 'SELECT *
+			FROM ' . USERS_TABLE . '
+			WHERE user_type <> ' . USER_IGNORE . '
+			AND user_type <> ' . USER_INACTIVE . '
+			ORDER BY RAND()';
+		break;
+	}
+
+$result = $db->sql_query_limit($sql, 1);
 $row = $db->sql_fetchrow($result);
 
 $avatar_img = get_user_avatar($row['user_avatar'], $row['user_avatar_type'], $row['user_avatar_width'], $row['user_avatar_height']);