Cleanup tabs and replace them with spaces.

timesheet.class.php

 <?php
 /*
- * Copyright (C) 2007, M2X
+ * Copyright (C) 2007-2008, M2X
  *
  * Authors: Jean-Paul Saman
  *
@@ -28,23 +28,24 @@
  *  @package dotProject
  *  @subpackage modules
  *  @version $Revision: 1.0 $
-*/
+ */
 
 // include the powerful parent class that we want to extend for timesheet
-require_once( $AppUI->getSystemClass('dp') );		// use the dPFramework for easy inclusion of this class here
+ // use the dPFramework for easy inclusion of this class here
+require_once( $AppUI->getSystemClass('dp') );
 
 /**
  * The Timesheet Class
  */
 class CTimesheet extends CDpObject {
     // link variables to the timesheet object (according to the existing columns in the database table timesheet)
-	//use NULL for a NEW object, so the database automatically assigns an unique id by 'NOT NULL'-functionality
-	var $timesheet_id = NULL;
-	var $timesheet_period = NULL;
-	var $timesheet_status = NULL;
-	var $timesheet_date = NULL;
-	var $timesheet_creator = NULL;
-	var $timesheet_worked = NULL;
+    //use null for a new object, so the database automatically assigns an unique id by 'not null'-functionality
+    var $timesheet_id = null;
+    var $timesheet_period = null;
+    var $timesheet_status = null;
+    var $timesheet_date = null;
+    var $timesheet_creator = null;
+    var $timesheet_worked = null;
 
     // the constructor of the CTimesheet class, always combined with the table name and the unique key of the table
     function CTimesheet() {