Index: trunk/core/units/general/helpers/permissions_helper.php
===================================================================
diff -u -N -r6583 -r7391
--- trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 6583)
+++ trunk/core/units/general/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 7391)
@@ -9,10 +9,10 @@
 		 */
 		var $Permissions = Array();
 
-		function LoadPermissions($group_id, $cat_id, $type = 1)
+		function LoadPermissions($group_id, $cat_id, $type = 1, $prefix = '')
 		{
 			$perm_table = $this->Application->getUnitOption('perm', 'TableName');
-			$perm_table = $this->Application->GetTempName($perm_table);
+			$perm_table = $this->Application->GetTempName($perm_table, 'prefix:'.$prefix);
 			$sql = 'SELECT *
 					FROM '.$perm_table.'
 					WHERE (GroupId = '.$group_id.') AND (CatId = '.$cat_id.') AND (Type = '.$type.')';
@@ -337,7 +337,7 @@
 		 */
 		function CheckPermission($name, $type = 1, $cat_id = null)
 		{
-			$user_id = $this->Application->GetVar('u_id');
+			$user_id = $this->Application->RecallVar('user_id');
 			return $this->CheckUserPermission($user_id, $name, $type, $cat_id);
 		}
 
@@ -367,6 +367,17 @@
 			// that (perm cache creator) code thinks that it is allowed & adds corresponding record and code below will
 			// return incorrect results
 
+			if ($user_id == $this->Application->RecallVar('user_id')) {
+				$groups = explode(',', $this->Application->RecallVar('UserGroups'));
+			}
+			else { // checking not current user
+				$sql = 'SELECT GroupId FROM '.TABLE_PREFIX.'UserGroup
+								WHERE (PortalUserId = '.$user_id.') AND
+											( (MembershipExpires IS NULL) OR ( MembershipExpires >= UNIX_TIMESTAMP() ) )';
+				$groups = $this->Conn->GetCol($sql);
+				array_push($groups, $this->Application->ConfigValue('User_LoggedInGroup') );
+			}
+
 			if (preg_match('/(.*)\.VIEW$/', $name) && ($type == 0)) {
 				// cached view permission of category: begin
 				$sql = 'SELECT PermissionConfigId
@@ -379,16 +390,6 @@
 						WHERE (PermId = '.$perm_id.') AND (CategoryId = '.$cat_id.')';
 
 				$view_filters = Array();
-				if ($user_id == $this->Application->GetVar('u_id')) {
-					$groups = explode(',', $this->Application->RecallVar('UserGroups'));
-				}
-				else { // checking not current user
-					$sql = 'SELECT GroupId FROM '.TABLE_PREFIX.'UserGroup
-									WHERE (PortalUserId = '.$user_id.') AND
-												( (MembershipExpires IS NULL) OR ( MembershipExpires >= UNIX_TIMESTAMP() ) )';
-					$groups = $this->Conn->GetCol($sql);
-					array_push($groups, $this->Application->ConfigValue('User_LoggedInGroup') );
-				}
 				foreach ($groups as $group) {
 					$view_filters[] = 'FIND_IN_SET('.$group.', ACL)';
 				}
@@ -414,7 +415,7 @@
 			}
 
 			$perm_value = 0;
-			$groups = $this->Application->RecallVar('UserGroups');
+			$groups = implode(',',$groups);
 			foreach ($cat_hierarchy as $category_id) {
 				$sql = 'SELECT SUM(PermissionValue)
 						FROM '.TABLE_PREFIX.'Permissions
@@ -450,7 +451,7 @@
 				return 2;
 			}
 
-			if ($owner_id == $this->Application->GetVar('u_id')) {
+			if ($owner_id == $this->Application->RecallVar('user_id')) {
 				// user is item's OWNER -> check this permissions first
 				$live_modify = $this->CheckPermission($perm_prefix.'.OWNER.MODIFY', ptCATEGORY, $category_id);
 				if ($live_modify) {