diff --git a/htconfig.php b/htconfig.php
index 872572654..2c5658be4 100644
--- a/htconfig.php
+++ b/htconfig.php
@@ -88,3 +88,6 @@ $a->config['system']['itemcache'] = "";
 
 // If enabled, the lockpath is used for a lockfile to check if the poller is running
 $a->config['system']['lockpath'] = "";
+
+// If enabled, the MyBB fulltext engine is used
+$a->config['system']['use_fulltext_engine'] = true;
diff --git a/include/api.php b/include/api.php
index f58a91a72..5697fbdbc 100644
--- a/include/api.php
+++ b/include/api.php
@@ -976,7 +976,7 @@
 		$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
 		$max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
 		//$since_id = 0;//$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
-		
+
 		$start = $page*$count;
 
 		//$include_entities = (x($_REQUEST,'include_entities')?$_REQUEST['include_entities']:false);
@@ -985,11 +985,19 @@
 		$myurl = substr($myurl,strpos($myurl,'://')+3);
 		$myurl = str_replace(array('www.','.'),array('','\\.'),$myurl);
 		$diasp_url = str_replace('/profile/','/u/',$myurl);
-		$sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where ( `author-link` regexp '%s' or `tag` regexp '%s' or tag regexp '%s' )) ",
-			dbesc($myurl . '$'),
-			dbesc($myurl . '\\]'),
-			dbesc($diasp_url . '\\]')
-		);
+
+		if (get_config('system','use_fulltext_engine'))
+                        $sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where (MATCH(`author-link`) AGAINST ('".'"%s"'."' in boolean mode) or MATCH(`tag`) AGAINST ('".'"%s"'."' in boolean mode) or MATCH(tag) AGAINST ('".'"%s"'."' in boolean mode))) ",
+                                dbesc(protect_sprintf($myurl)),
+                                dbesc(protect_sprintf($myurl)),
+                                dbesc(protect_sprintf($diasp_url))
+                        );
+                else
+                        $sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where ( `author-link` like '%s' or `tag` like '%s' or tag like '%s' )) ",
+                                dbesc(protect_sprintf('%' . $myurl)),
+                                dbesc(protect_sprintf('%' . $myurl . '\\]%')),
+                                dbesc(protect_sprintf('%' . $diasp_url . '\\]%'))
+                        );
 
 		if ($max_id > 0)
 			$sql_extra .= ' AND `item`.`id` <= '.intval($max_id);
diff --git a/include/config.php b/include/config.php
index 12fc9cafc..6edc3f286 100644
--- a/include/config.php
+++ b/include/config.php
@@ -6,7 +6,7 @@
  * Note:
  * Please do not store booleans - convert to 0/1 integer values
  * The get_?config() functions return boolean false for keys that are unset,
- * and this could lead to subtle bugs.  
+ * and this could lead to subtle bugs.
  *
  * There are a few places in the code (such as the admin panel) where boolean
  * configurations need to be fixed as of 10/08/2011.
diff --git a/include/dba.php b/include/dba.php
index c9f880241..7ecce7270 100644
--- a/include/dba.php
+++ b/include/dba.php
@@ -32,9 +32,9 @@ class dba {
 		if (!(strlen($server) && strlen($user))){
 			$this->connected = false;
 			$this->db = null;
-			return;			
+			return;
 		}
-		
+
 		if($install) {
 			if(strlen($server) && ($server !== 'localhost') && ($server !== '127.0.0.1')) {
 				if(! dns_get_record($server, DNS_A + DNS_CNAME + DNS_PTR)) {
@@ -71,23 +71,27 @@ class dba {
 	}
 
 	public function q($sql) {
-		
+
 		if((! $this->db) || (! $this->connected))
 			return false;
-		
+
 		$this->error = '';
 
+		//@file_put_contents("/tmp/friendica-db.log", datetime_convert().':'.session_id(). ' Start '.$sql."\n", FILE_APPEND);
+
 		if($this->mysqli)
 			$result = @$this->db->query($sql);
 		else
 			$result = @mysql_query($sql,$this->db);
 
+		//@file_put_contents("/tmp/friendica-db.log", datetime_convert().':'.session_id(). ' Stop '."\n", FILE_APPEND);
+
 		if($this->mysqli) {
 			if($this->db->errno)
 				$this->error = $this->db->error;
 		}
 		elseif(mysql_errno($this->db))
-				$this->error = mysql_error($this->db);	
+				$this->error = mysql_error($this->db);
 
 		if(strlen($this->error)) {
 			logger('dba: ' . $this->error);
@@ -107,8 +111,8 @@ class dba {
     			else
 					$mesg = mysql_num_rows($result) . ' results' . EOL;
 			}
-    
-			$str =  'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg 
+
+			$str =  'SQL = ' . printable($sql) . EOL . 'SQL returned ' . $mesg
 				. (($this->error) ? ' error: ' . $this->error : '')
 				. EOL;
 
@@ -146,7 +150,7 @@ class dba {
 			}
 		}
 
-    
+
 		if($this->debug)
 			logger('dba: ' . printable(print_r($r, true)));
 		return($r);
diff --git a/mod/network.php b/mod/network.php
index fbfe2de4f..a94272a42 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -402,10 +402,22 @@ function network_content(&$a, $update = 0) {
 
 	if(x($_GET,'search')) {
 		$search = escape_tags($_GET['search']);
-		$sql_extra .= sprintf(" AND ( `item`.`body` like '%s' OR `item`.`tag` like '%s' ) ",
-			dbesc(protect_sprintf('%' . $search . '%')),
-			dbesc(protect_sprintf('%]' . $search . '[%'))
-		);
+		if (get_config('system','use_fulltext_engine')) {
+			if(strpos($search,'#') === 0)
+				$sql_extra .= sprintf(" AND (MATCH(tag) AGAINST ('".'"%s"'."' in boolean mode)) ",
+					dbesc(protect_sprintf($search))
+				);
+			else
+				$sql_extra .= sprintf(" AND (MATCH(`item`.`body`) AGAINST ('".'"%s"'."' in boolean mode) or MATCH(tag) AGAINST ('".'"%s"'."' in boolean mode)) ",
+					dbesc(protect_sprintf($search)),
+					dbesc(protect_sprintf($search))
+				);
+		} else {
+			$sql_extra .= sprintf(" AND ( `item`.`body` like '%s' OR `item`.`tag` like '%s' ) ",
+					dbesc(protect_sprintf('%' . $search . '%')),
+					dbesc(protect_sprintf('%]' . $search . '[%'))
+			);
+		}
 	}
 	if(strlen($file)) {
 		$sql_extra .= file_tag_file_query('item',unxmlify($file));
@@ -416,11 +428,19 @@ function network_content(&$a, $update = 0) {
 		$myurl = substr($myurl,strpos($myurl,'://')+3);
 		$myurl = str_replace('www.','',$myurl);
 		$diasp_url = str_replace('/profile/','/u/',$myurl);
-		$sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where ( `author-link` like '%s' or `tag` like '%s' or tag like '%s' )) ",
-			dbesc(protect_sprintf('%' . $myurl)),
-			dbesc(protect_sprintf('%' . $myurl . ']%')),
-			dbesc(protect_sprintf('%' . $diasp_url . ']%'))
-		);
+		if (get_config('system','use_fulltext_engine'))
+			$sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where (MATCH(`author-link`) AGAINST ('".'"%s"'."' in boolean mode) or MATCH(`tag`) AGAINST ('".'"%s"'."' in boolean mode) or MATCH(tag) AGAINST ('".'"%s"'."' in boolean mode))) ",
+				dbesc(protect_sprintf($myurl)),
+				dbesc(protect_sprintf($myurl)),
+				dbesc(protect_sprintf($diasp_url))
+			);
+		else
+			$sql_extra .= sprintf(" AND `item`.`parent` IN (SELECT distinct(`parent`) from item where ( `author-link` like '%s' or `tag` like '%s' or tag like '%s' )) ",
+				dbesc(protect_sprintf('%' . $myurl)),
+				dbesc(protect_sprintf('%' . $myurl . '\\]%')),
+				dbesc(protect_sprintf('%' . $diasp_url . '\\]%'))
+			);
+
 	}
 
 	if($update) {
diff --git a/mod/search.php b/mod/search.php
index 3e6bf68aa..d4cd9d967 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -71,7 +71,7 @@ function search_content(&$a) {
 		notice( t('Public access denied.') . EOL);
 		return;
 	}
-	
+
 	nav_set_selected('search');
 
 	require_once("include/bbcode.php");
@@ -96,7 +96,6 @@ function search_content(&$a) {
 
 	$o .= search($search,'search-box','/search',((local_user()) ? true : false));
 
-
 	if(strpos($search,'#') === 0) {
 		$tag = true;
 		$search = substr($search,1);
@@ -109,11 +108,17 @@ function search_content(&$a) {
 	if(! $search)
 		return $o;
 
-	if($tag)
-		$sql_extra = sprintf(" AND `item`.`tag` REGEXP '%s' ", 	dbesc('\\]' . preg_quote($search) . '\\['));
-	else
-		$sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(preg_quote($search)));
-
+	if (get_config('system','use_fulltext_engine')) {
+		if($tag)
+			$sql_extra = sprintf(" AND MATCH (`item`.`tag`) AGAINST ('".'"%s"'."' in boolean mode) ", '#'.preg_quote($search));
+		else
+			$sql_extra = sprintf(" AND MATCH (`item`.`body`) AGAINST ('".'"%s"'."' in boolean mode) ", dbesc(preg_quote($search)));
+	} else {
+		if($tag)
+			$sql_extra = sprintf(" AND `item`.`tag` REGEXP '%s' ", 	dbesc('\\]' . preg_quote($search) . '\\['));
+		else
+			$sql_extra = sprintf(" AND `item`.`body` REGEXP '%s' ", dbesc(preg_quote($search)));
+	}
 
 
 
diff --git a/view/theme/diabook/theme.php b/view/theme/diabook/theme.php
index de7e41841..83079782e 100755
--- a/view/theme/diabook/theme.php
+++ b/view/theme/diabook/theme.php
@@ -18,6 +18,11 @@ $a->page['htmlhead'] .= sprintf('<META NAME=generator CONTENT="%s"/>', $diabook_
 
 //init css on network and profilepages
 $cssFile = null;
+
+// Preload config
+load_config("diabook");
+load_pconfig(local_user(), "diabook");
+
 //get statuses of boxes at right-hand-column
 $close_pages = false;
 $site_close_pages = get_config("diabook", "close_pages" );