Index: branches/unlabeled/unlabeled-1.11.2/core/units/general/cat_tag_processor.php
===================================================================
diff -u -r5721 -r5735
--- branches/unlabeled/unlabeled-1.11.2/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 5721)
+++ branches/unlabeled/unlabeled-1.11.2/core/units/general/cat_tag_processor.php	(.../cat_tag_processor.php)	(revision 5735)
@@ -145,9 +145,21 @@
 
 		function InitCatalogTab($params)
 		{
-			$tab_special = $this->Application->GetVar('tab_special');
+			$tab_params['mode'] = $this->Application->GetVar('tm'); // single/multi selection possible
+			$tab_params['special'] = $this->Application->GetVar('ts'); // use special for this tab
+			$tab_params['dependant'] = $this->Application->GetVar('td'); // is grid dependant on categories grid
+			
+			// set default params (same as in catalog)
+			if ($tab_params['mode'] === false) $tab_params['mode'] = 'multi';
+			if ($tab_params['special'] === false) $tab_params['special'] = '';
+			if ($tab_params['dependant'] === false) $tab_params['dependant'] = 'yes';
+			
+			// pass params to block with tab content
 			$params['name'] = $params['render_as'];
-			$params['prefix'] = trim($this->Prefix.'.'.($tab_special !== false ? $tab_special : $this->Special), '.');
+			$params['prefix'] = trim($this->Prefix.'.'.($tab_params['special'] ? $tab_params['special'] : $this->Special), '.');
+			$params['cat_prefix'] = trim('c.'.($tab_params['special'] ? $tab_params['special'] : $this->Special), '.');
+			$params['tab_mode'] = $tab_params['mode'];
+			$params['tab_dependant'] = $tab_params['dependant'];
 			return $this->Application->ParseBlock($params, 1);
 		}
 	}