diff --git a/webstuff/frontend/content/module_sets/set_test.html b/webstuff/frontend/content/module_sets/set_test.html
index 3ce2893..a7431d2 100644
--- a/webstuff/frontend/content/module_sets/set_test.html
+++ b/webstuff/frontend/content/module_sets/set_test.html
@@ -1 +1 @@
-{content:addModule:temp_1}{content:addModule:temp_4}
+{content:addModule:rain_3}{content:addModule:temp_1}{content:addModule:temp_4}
diff --git a/webstuff/frontend/content/modules/mod_temp.html b/webstuff/frontend/content/modules/mod_temp.html
index 0361b6c..fda6c76 100644
--- a/webstuff/frontend/content/modules/mod_temp.html
+++ b/webstuff/frontend/content/modules/mod_temp.html
@@ -1,4 +1,4 @@
-<h3 class="mod_headline">Temparatur - {content:fill:sens_location}</h3>
+<h3 class="mod_headline">Temperatur - {content:fill:sens_location}</h3>
 <p class="mod_description">{content:fill:sens_description}</p>
 <h4 class="mod_subhead">Momentane Werte</h4>
 <table class="mod_temp_now_data">
diff --git a/webstuff/frontend/php_inc/connection.inc.php b/webstuff/frontend/php_inc/connection.inc.php
index 6fab5c7..ea2374f 100644
--- a/webstuff/frontend/php_inc/connection.inc.php
+++ b/webstuff/frontend/php_inc/connection.inc.php
@@ -1,12 +1,15 @@
 <?
+/* Connection-Klasse..ist für die Datenbankverbindung zuständig */
 class Connection{
 
-  var $conn = NULL;
+  var $conn = NULL;	/* Verbindung */
 
+  /* Konstruktor */
   function Connection(){
     $this->conn = NULL;
   }
-
+  
+  /* Verbindung herstellen (wenn noch net besteht)*/
   function _createConn(){
     if($this->conn == NULL){
       $this->conn = pg_connect("host=141.30.228.39 dbname=wetter user=losinshi")
@@ -14,6 +17,7 @@ class Connection{
     }
   }
 
+  /* Verbindung schließen */
   function closeConn(){
     if($this->conn != NULL){
       pg_close($this->conn);  
@@ -21,6 +25,7 @@ class Connection{
     }
   }
 
+  /* Eine Zeile holen */
   function fetchQueryResultLine($query){
      $this->_createConn();
      $result =  pg_query($this->conn, $query) 
@@ -30,6 +35,7 @@ class Connection{
      return $array;
   }
 
+  /* mehrere Zeilen holen */
   function fetchQueryResultSet($query){
     $returnArray = array();
     $this->_createConn();
diff --git a/webstuff/frontend/php_inc/module.inc.php b/webstuff/frontend/php_inc/module.inc.php
index 610d2e1..3512121 100644
--- a/webstuff/frontend/php_inc/module.inc.php
+++ b/webstuff/frontend/php_inc/module.inc.php
@@ -1,8 +1,10 @@
 <?
-include_once("php_inc/parser.inc.php");
-include_once("php_inc/sensor.inc.php");
-include_once("php_inc/temp.inc.php");
+include_once("php_inc/parser.inc.php");		/* Parser */
+include_once("php_inc/sensor.inc.php");		/* Sensor-Klasse */
+include_once("php_inc/temp.inc.php");		/* Temp-Klasse */
+include_once("php_inc/rain.inc.php");		/* Rain-Klasse */
 
+/* Representiert ein Modul */
 class Module{
 
   var $sensId;				/* Sensor-Id */
@@ -11,43 +13,54 @@ class Module{
   var $connectionInstance = NULL;	/* Connection - Instanz */
   var $sensInstance	  = NULL;	/* Sensor-Instanz */
   var $tempInstance	  = NULL;	/* Temp-Instanz */
+  var $rainInstance	  = NULL;	/* Rain-Instanz */
 
-
+  /* Konstruktor */
   function Module($modName, $sensId, &$parser, &$connection){
+    
+    /* Klassenvariablen zuordnen */
     $this->sensId     = $sensId;
     $this->connection = &$connection;
     $this->parserInstance = &$parser;
 
-
-    $parser->parseContent($this->_getModuleFilename("frame"), & $this, "top"); 
-    $parser->parseContent($this->_getModuleFilename($modName), & $this, NULL); 
-    $parser->parseContent($this->_getModuleFilename("frame"), & $this, "bottom"); 
+    $parser->parseContent($this->_getModuleFilename("frame"), & $this, "top");		/* Oberen Modulrahmen parsen */
+    $parser->parseContent($this->_getModuleFilename($modName), & $this, NULL); 		/* Modul Parsen */
+    $parser->parseContent($this->_getModuleFilename("frame"), & $this, "bottom"); 	/* unteren Modulrahmen Parsen */
   }
 
+  /* Dateinamen des Modul-Files zusammenbauen */
   function _getModuleFilename($modName){
     return "content/modules/mod_".$modName.".html";
   }
 
+  /* Instanz der Sensorklasse holen */
   function &_get_sens(){
     if($this->sensInstance == NULL)
       $this->sensInstance = new Sensor($this->sensId, $this->connection);
     return $this->sensInstance;
   }
 
+  /* Instanz der Temp-Klasse holen */
   function &_get_temp(){
     if($this->tempInstance == NULL)
       $this->tempInstance = new Temp($this->sensId, $this->connection);
     return $this->tempInstance;
   }
 
-  function fill($contentId){
-    $content_split = explode("_", $contentId);
-    $callObject	   = & call_user_method("_get_".$content_split[0], $this);
-    $funcName      = "get".substr($contentId, strlen($content_split[0]), strlen($contentId)-strlen($content_split[0]));
-    
-    
+  /* Instanz der Rain-Klasse holen */
+  function &_get_rain(){
+    if($this->rainInstance == NULL)
+      $this->rainInstance = new Rain($this->sensId, $this->connection);
+    return $this->rainInstance;
+  }
 
-    return $callObject->$funcName($content_split[1]);
+  /* Callback-Funktion, wird ausgeführt wenn {content:fill:xyz} gefunden wird */
+  function fill($contentId){
+    $content_split = explode("_", $contentId);										/* Modultyp bekommen */
+    $callObject	   = & call_user_method("_get_".$content_split[0], $this);						/* Instanz der zum Modul gehörenden Klasse */
+    $funcName      = "get".substr($contentId, strlen($content_split[0]), strlen($contentId)-strlen($content_split[0])); /* Namen der In der Instanz aufzurufenden Methode zusammenbauen */
+    
+    return $callObject->$funcName($content_split[1]);									/* Methode ausführen (Wert holen) und zurückgeben */
   }
 
 }
diff --git a/webstuff/frontend/php_inc/module_set.inc.php b/webstuff/frontend/php_inc/module_set.inc.php
index a5ff8b8..b56aa95 100644
--- a/webstuff/frontend/php_inc/module_set.inc.php
+++ b/webstuff/frontend/php_inc/module_set.inc.php
@@ -15,6 +15,10 @@ class ModuleSet{
     $parser->parseContent($this->_getSetFilename($setName), &$this, NULL);	/* Set Parsen */
 
     $parser->printContent();
+    
+    if ($this->connInstance != NULL){
+      $this->connInstance->closeConn();
+    }
   }
 
   /* Dateinamen eines Setz aus dessen Namen zusammenbauen */