diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php
index 913140f..bb2b47b 100644
--- a/system/database/DB_cache.php
+++ b/system/database/DB_cache.php
@@ -97,7 +97,7 @@
 			return $this->obj->db->cache_off();
 		}
 	
-		$uri  = ($this->obj->uri->segment(1) == FALSE) ? 'default_'	: $this->obj->uri->segment(1).'_';
+		$uri  = ($this->obj->uri->segment(1) == FALSE) ? 'default.'	: $this->obj->uri->segment(1).'.';
 		$uri .= ($this->obj->uri->segment(2) == FALSE) ? 'index'	: $this->obj->uri->segment(2);
 		
 		$filepath = $uri.'/'.md5($sql);
@@ -125,7 +125,7 @@
 			return $this->obj->db->cache_off();
 		}
 
-		$uri  = ($this->obj->uri->segment(1) == FALSE) ? 'default_'	: $this->obj->uri->segment(1).'_';
+		$uri  = ($this->obj->uri->segment(1) == FALSE) ? 'default.'	: $this->obj->uri->segment(1).'.';
 		$uri .= ($this->obj->uri->segment(2) == FALSE) ? 'index'	: $this->obj->uri->segment(2);
 		
 		$dir_path = $this->obj->db->cachedir.$uri.'/';
@@ -171,7 +171,7 @@
 			$segment_two = ($this->obj->uri->segment(2) == FALSE) ? 'index' : $this->obj->uri->segment(2);
 		}
 		
-		$dir_path = $this->obj->db->cachedir.md5($segment_one.'_'.$segment_two).'/';
+		$dir_path = $this->obj->db->cachedir.md5($segment_one.'.'.$segment_two).'/';
 		
 		delete_files($dir_path, TRUE);
 	}
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index e8c4a82..b89ebbf 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -156,6 +156,23 @@
 		}
 	}
 	
+	// --------------------------------------------------------------------
+
+	/**
+	 * Load the Utilities Class
+	 *
+	 * @access	public
+	 * @return	string		 
+	 */		
+	function load_utilities()
+	{
+		$obj =& get_instance();
+			
+		require_once(BASEPATH.'database/DB_utility'.EXT);
+		require_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_utility'.EXT);
+		$class = 'CI_DB_'.$this->dbdriver.'_utility';
+		$obj->dbutil = new $class();
+	}
 	
 	// --------------------------------------------------------------------