diff --git a/workflow/engine/methods/users/users_Ajax.php b/workflow/engine/methods/users/users_Ajax.php
index b2f66fe58..962283151 100644
--- a/workflow/engine/methods/users/users_Ajax.php
+++ b/workflow/engine/methods/users/users_Ajax.php
@@ -26,140 +26,138 @@ try {
   global $RBAC;
   switch ($RBAC->userCanAccess('PM_LOGIN'))
   {
-  	case -2:
-  	  G::SendTemporalMessage('ID_USER_HAVENT_RIGHTS_SYSTEM', 'error', 'labels');
-  	  G::header('location: ../login/login');
-  	  die;
-  	break;
-  	case -1:
-  	  G::SendTemporalMessage('ID_USER_HAVENT_RIGHTS_PAGE', 'error', 'labels');
-  	  G::header('location: ../login/login');
-  	  die;
-  	break;
+    case -2:
+      G::SendTemporalMessage('ID_USER_HAVENT_RIGHTS_SYSTEM', 'error', 'labels');
+      G::header('location: ../login/login');
+      die;
+      break;
+    case -1:
+      G::SendTemporalMessage('ID_USER_HAVENT_RIGHTS_PAGE', 'error', 'labels');
+      G::header('location: ../login/login');
+      die;
+      break;
   }
   G::LoadInclude('ajax');
   if (isset($_POST['form']))
   {
-  	$_POST = $_POST['form'];
+    $_POST = $_POST['form'];
   }
-  if(isset($_POST['function']))
-      {$value= $_POST['function'];
-      $value = get_ajax_value('function');}
-  else
-      {$value= $_POST['functions'];
-      $value = get_ajax_value('functions');}
-  
-  
-  switch ($value)
-  {
-  	case 'verifyUsername':
-  	  //print_r($_POST); die;
-  	  $_POST['sOriginalUsername'] = get_ajax_value('sOriginalUsername');
-  	  $_POST['sUsername']         = get_ajax_value('sUsername');
-  	  if ($_POST['sOriginalUsername'] == $_POST['sUsername'])
-  	  {
-  	  	echo '0';
-  	  }
-  	  else
-  	  {
-  	  	require_once 'classes/model/Users.php';
-  	  	G::LoadClass('Users');
-	      $oUser = new Users();
-	      $oCriteria=$oUser->loadByUsername($_POST['sUsername']);
-  	  	$oDataset = UsersPeer::doSelectRS($oCriteria);
-        $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
-        $oDataset->next();
-        $aRow = $oDataset->getRow();
-        //print_r($aRow); die;
-        //if (!$aRow)
-        if (!is_array($aRow))
-  	  	{
-  	  		echo '0';
-  	  	}
-  	  	else
-  	  	{
-  	  		echo '1';
-  	  	}
-  	  }
-  	break;
-  	case 'availableUsers':
-  	  G::LoadClass('processMap');
-      $oProcessMap = new ProcessMap();
-  	  global $G_PUBLISH;
-    	$G_PUBLISH = new Publisher();
-      $G_PUBLISH->AddContent('propeltable', 'paged-table', 'users/users_AvailableUsers', $oProcessMap->getAvailableUsersCriteria($_GET['sTask'], $_GET['iType']));
-      G::RenderPage('publish', 'raw');
-  	break;
-  	case 'assign':
-  	  G::LoadClass('tasks');
-  	  $oTasks = new Tasks();
-  	  switch ((int)$_POST['TU_RELATION']) {
-  	  	case 1:
-  	  	  echo $oTasks->assignUser($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
-  	  	break;
-  	  	case 2:
-  	  	  echo $oTasks->assignGroup($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
-  	  	break;
-  	  }
-  	break;
-  	case 'ofToAssign':
-  	  G::LoadClass('tasks');
-  	  $oTasks = new Tasks();
-  	  switch ((int)$_POST['TU_RELATION']) {
-  	  	case 1:
-  	  	  echo $oTasks->ofToAssignUser($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
-  	  	break;
-  	  	case 2:
-  	  	  echo $oTasks->ofToAssignGroup($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
-  	  	break;
-  	  }
-  	break;
-  	case 'changeView':
-  	  $_SESSION['iType'] = $_POST['TU_TYPE'];
-  	break;
-
-  	case 'deleteGroup':
-      G::LoadClass('groups');
-      $oGroup = new Groups();
-      $oGroup->removeUserOfGroup($_POST['GRP_UID'], $_POST['USR_UID']);
-      $_GET['sUserUID'] = $_POST['USR_UID'];
-      $G_PUBLISH = new Publisher;
-      $G_PUBLISH->AddContent('view', 'users/users_Tree' );
-      G::RenderPage('publish', 'raw');
-  	break;
-
-  	case 'showUserGroupInterface':
-      $_GET['sUserUID'] = $_POST['sUserUID'];
-      $G_PUBLISH = new Publisher;
-      $G_PUBLISH->AddContent('view', 'users/users_AssignGroup' );
-      G::RenderPage('publish', 'raw');
-  	break;
-
-  	case 'showUserGroups':
-      $_GET['sUserUID'] = $_POST['sUserUID'];
-      $G_PUBLISH = new Publisher;
-      $G_PUBLISH->AddContent('view', 'users/users_Tree' );
-      G::RenderPage('publish', 'raw');
-  	break;
-
-  	case 'assignUserToGroup':
-      G::LoadClass('groups');
-      $oGroup = new Groups();
-      $oGroup->addUserToGroup($_POST['GRP_UID'], $_POST['USR_UID']);
-      echo '<div align="center"><h2><font color="blue">'.G::LoadTranslation('ID_MSG_ASSIGN_DONE').'</font></h2></div>';
-	  break;
-
-	  case 'usersGroup':
-  	  G::LoadClass('groups');
-	    $oGroup = new Groups();
-  	  $aGroup = $oGroup->getUsersOfGroup($_POST['GRP_UID']);
-  	  foreach ($aGroup as $iIndex => $aValues) {
-  				echo $aValues['USR_FIRSTNAME'] . ' ' . $aValues['USR_LASTNAME'] . '<br>';
-			}
-  	break;
+  if(isset($_REQUEST['function'])){
+    //$value= $_POST['function'];
+    $value = get_ajax_value('function');
+  }else{
+      //$value= $_POST['functions'];
+      $value = get_ajax_value('functions');
   }
+      switch ($value){
+        case 'verifyUsername':
+          //print_r($_POST); die;
+          $_POST['sOriginalUsername'] = get_ajax_value('sOriginalUsername');
+          $_POST['sUsername']         = get_ajax_value('sUsername');
+          if ($_POST['sOriginalUsername'] == $_POST['sUsername'])
+          {
+            echo '0';
+          }
+          else
+          {
+            require_once 'classes/model/Users.php';
+            G::LoadClass('Users');
+            $oUser = new Users();
+            $oCriteria=$oUser->loadByUsername($_POST['sUsername']);
+            $oDataset = UsersPeer::doSelectRS($oCriteria);
+            $oDataset->setFetchmode(ResultSet::FETCHMODE_ASSOC);
+            $oDataset->next();
+            $aRow = $oDataset->getRow();
+            //print_r($aRow); die;
+            //if (!$aRow)
+            if (!is_array($aRow))
+            {
+              echo '0';
+            }
+            else
+            {
+              echo '1';
+            }
+          }
+          break;
+        case 'availableUsers':
+          G::LoadClass('processMap');
+          $oProcessMap = new ProcessMap();
+          global $G_PUBLISH;
+          $G_PUBLISH = new Publisher();
+          $G_PUBLISH->AddContent('propeltable', 'paged-table', 'users/users_AvailableUsers', $oProcessMap->getAvailableUsersCriteria($_GET['sTask'], $_GET['iType']));
+          G::RenderPage('publish', 'raw');
+          break;
+        case 'assign':
+          G::LoadClass('tasks');
+          $oTasks = new Tasks();
+          switch ((int)$_POST['TU_RELATION']) {
+            case 1:
+              echo $oTasks->assignUser($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
+              break;
+            case 2:
+              echo $oTasks->assignGroup($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
+              break;
+          }
+          break;
+        case 'ofToAssign':
+          G::LoadClass('tasks');
+          $oTasks = new Tasks();
+          switch ((int)$_POST['TU_RELATION']) {
+            case 1:
+              echo $oTasks->ofToAssignUser($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
+              break;
+            case 2:
+              echo $oTasks->ofToAssignGroup($_POST['TAS_UID'], $_POST['USR_UID'], $_POST['TU_TYPE']);
+              break;
+          }
+          break;
+        case 'changeView':
+          $_SESSION['iType'] = $_POST['TU_TYPE'];
+          break;
+
+        case 'deleteGroup':
+          G::LoadClass('groups');
+          $oGroup = new Groups();
+          $oGroup->removeUserOfGroup($_POST['GRP_UID'], $_POST['USR_UID']);
+          $_GET['sUserUID'] = $_POST['USR_UID'];
+          $G_PUBLISH = new Publisher;
+          $G_PUBLISH->AddContent('view', 'users/users_Tree' );
+          G::RenderPage('publish', 'raw');
+          break;
+
+        case 'showUserGroupInterface':
+          $_GET['sUserUID'] = $_POST['sUserUID'];
+          $G_PUBLISH = new Publisher;
+          $G_PUBLISH->AddContent('view', 'users/users_AssignGroup' );
+          G::RenderPage('publish', 'raw');
+          break;
+
+        case 'showUserGroups':
+          $_GET['sUserUID'] = $_POST['sUserUID'];
+          $G_PUBLISH = new Publisher;
+          $G_PUBLISH->AddContent('view', 'users/users_Tree' );
+          G::RenderPage('publish', 'raw');
+          break;
+
+        case 'assignUserToGroup':
+          G::LoadClass('groups');
+          $oGroup = new Groups();
+          $oGroup->addUserToGroup($_POST['GRP_UID'], $_POST['USR_UID']);
+          echo '<div align="center"><h2><font color="blue">'.G::LoadTranslation('ID_MSG_ASSIGN_DONE').'</font></h2></div>';
+          break;
+
+        case 'usersGroup':
+          G::LoadClass('groups');
+          $oGroup = new Groups();
+          $aGroup = $oGroup->getUsersOfGroup($_POST['GRP_UID']);
+          foreach ($aGroup as $iIndex => $aValues) {
+            echo $aValues['USR_FIRSTNAME'] . ' ' . $aValues['USR_LASTNAME'] . '<br>';
+          }
+          break;
+      }
 }
 catch (Exception $oException) {
-	die($oException->getMessage());
+  die($oException->getMessage());
 }
 ?>
\ No newline at end of file