--- a/classes/basecontroller.php	Mon Apr 13 15:43:59 2015 +0200
+++ b/classes/basecontroller.php	Thu Apr 16 14:53:22 2015 +0200
@@ -1,8 +1,11 @@
 <?php
-// an instance of the BaseController class can't be created directly; 
-// it can only be extended/inherited by other classes
+/** 
+* An instance of the BaseController class can't be created directly.
+* It can only be extended/inherited by other classes.
+*/
+
 abstract class BaseController {
-
+	
 	protected $urlvalues;
 	protected $action;
 	
@@ -17,6 +20,15 @@
 	}
 	
 	protected function ReturnView($viewmodel, $fullview) {
+		/** 
+		* Return the corresponding view in the views folder. 
+		* We use the same class name as the folder's name and action name as the file's name in the folder hierarchy.
+		* In this design, we can require the corresponding views php code by defining controller and action in url.
+		* 
+		* If you also require the maintemplate.php, which now only contains scripts that need to be inclued, set $fullview to be true; 
+		* otherwise, the maintemplate.php will not be applied.
+		*/
+
 		$viewloc = 'views/' . get_class($this) . '/' . $this->action . '.php';
 		if ($fullview) {
 			require('views/maintemplate.php');
@@ -27,6 +39,10 @@
 	}
 
 	protected function ReturnView_localtest($viewmodel, $fullview) {
+		/** Return the corresponding view in the views folder.  
+		* 
+		* This is only been used when developing on local machine. 
+		*/
         $viewloc = 'views/' . get_class($this) . '/' . $this->action . '.php';
         if ($fullview) {
             require('views/maintemplate_local.php');