diff --git a/defaults.php b/defaults.php
index 86e22e7..6cedd32 100755
--- a/defaults.php
+++ b/defaults.php
@@ -94,6 +94,7 @@
 		
 	
 	define('LANG_DEFAULT', 'en-us');
+	define('BPT_SORT', SORT_DESC);
 		
 	
 	set_include_path(ABS_PATH);
diff --git a/fp-includes/core/core.entry.php b/fp-includes/core/core.entry.php
index ff986b6..05b3784 100755
--- a/fp-includes/core/core.entry.php
+++ b/fp-includes/core/core.entry.php
@@ -1,14 +1,32 @@
 <?php
 
-	class entry_cached_index extends cache_filelister {
-		
+	class entry_cached_index extends caching_SBPT { #cache_filelister {
+
+		var $position = 0;
+		var $nodesize = 30;
+		var $keylen = 12;
+
 		/**
 		 * opens the index belonging to a given category
 		 * @params int $id_cat	
 		 */
 		function entry_cached_index($id_cat=0) {
-			$this->_cachefile = INDEX_DIR.'index-'.$id_cat;
-			parent::cache_filelister();
+			$F = INDEX_DIR.'index-'.$id_cat.'.dat';
+		
+			if (!file_exists($F)) {
+				trigger_error  ("Can't find index '{$F}'", E_USER_ERROR);
+			}
+
+			parent::caching_SBPT(
+				fopen($F, 'rb'),
+				fopen(INDEX_DIR.'index.strings.dat', 'rb'),
+				256,
+				$this->position,
+				$this->nodesize,
+				$this->keylen
+			);
+
+			$this->open();
 		}
 
 	}
diff --git a/fp-includes/core/core.fpdb.class.php b/fp-includes/core/core.fpdb.class.php
index f8e644c..a0733d6 100644
--- a/fp-includes/core/core.fpdb.class.php
+++ b/fp-includes/core/core.fpdb.class.php
@@ -178,11 +178,16 @@
 				trigger_error("FPDB: no ID found for query {$this->ID}", E_USER_ERROR);
 						
 			$qp =& $this->params;
-							
-			if (!isset($entry_index[$qp->id])){
+
+			$key = entry_idtokey($qp->id);
+			if (!($entry_index->has_key($key))){
 				trigger_error("FPDB: no entry found for {$qp->id}", E_USER_WARNING);
 				return;
 			}
+
+			$this->walker =& $entry_index->walker($key, true);
+
+			/*
 			if ($this->counter < 0) { 
 			
 				$idlist = array_keys($entry_index);
@@ -198,7 +203,12 @@
 			}
 			
 			$this->pointer = $qp->start;
-			
+			 */
+
+			$qp->start = 0;
+			$qp->count = 1;
+			$this->pointer = 0;
+
 		}
 		
 		function _prepare_list(&$entry_index) {
@@ -345,8 +355,6 @@
 				
 					$cont['comments'] = $this->comments->getCount();
 			
-					/* index is updated with full-parsed entry */				
-					#$this->local_index[$id] = $cont;
 				}
 				
 			} else {
@@ -427,6 +435,7 @@
 		function getNextPage() {
 			
 			if ($this->single){
+				return false;
 				$id = $this->_getOffsetId(1, $this->params->start);
 				
 				if ($id)
@@ -450,6 +459,8 @@
 		function getPrevPage() {
 		
 			if ($this->single) {
+				return false;
+
 				$id = $this->_getOffsetId(-1, $this->params->start);
 				
 				if ($id)
diff --git a/fp-includes/core/includes.php b/fp-includes/core/includes.php
index 16736e3..84036cd 100755
--- a/fp-includes/core/includes.php
+++ b/fp-includes/core/includes.php
@@ -22,8 +22,9 @@
 	require_once INCLUDES_DIR.'core.fileio.php';
 	require_once INCLUDES_DIR.'core.cache.php';
 	require_once INCLUDES_DIR.'core.blogdb.php';
-	
-	
+	require_once INCLUDES_DIR.'core.bplustree.class.php';
+
+
 	require_once INCLUDES_DIR.'core.administration.php';
 	require_once INCLUDES_DIR.'core.widgets.php';
 	require_once INCLUDES_DIR.'core.comment.php';
@@ -33,7 +34,6 @@
 	require_once INCLUDES_DIR.'core.static.php';
 	require_once INCLUDES_DIR.'core.draft.php';
 	
-	require_once INCLUDES_DIR.'core.bplustree.class.php';
 	require_once INCLUDES_DIR.'core.fpdb.class.php';
 	
 	require_once INCLUDES_DIR.'core.language.php';
diff --git a/index.php b/index.php
index 6cfa554..1196c01 100644
--- a/index.php
+++ b/index.php
@@ -184,7 +184,7 @@
 		$fpdb->query($params);
 
 		$q =& $fpdb->getQuery();
-		list($id, $e) = @$q->peekEntry();
+		list($id, $e) = $q->peekEntry();
 
 		/* no entry found : 404 */