Index: trunk/kernel/units/categories/categories_event_handler.php
===================================================================
diff -u -r3031 -r3427
--- trunk/kernel/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 3031)
+++ trunk/kernel/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 3427)
@@ -219,6 +219,16 @@
 		
 		return parent::getPassedID($event);
 	}
+	
+	/**
+	 * Rebuilds category cache
+	 *
+	 * @param kEvent $event
+	 */
+	function OnRebuildCache(&$event)
+	{
+		$event->SetRedirectParam('index_file', 'category/category_maint.php');
+	}
 }
 
 ?>
\ No newline at end of file
Index: trunk/core/kernel/application.php
===================================================================
diff -u -r3418 -r3427
--- trunk/core/kernel/application.php	(.../application.php)	(revision 3418)
+++ trunk/core/kernel/application.php	(.../application.php)	(revision 3427)
@@ -792,7 +792,11 @@
 		if ( $this->IsAdmin() && $prefix == '_FRONT_END_') $prefix = '';
 		$index_file = isset($index_file) ? $index_file : (defined('INDEX_FILE') ? INDEX_FILE : basename($_SERVER['SCRIPT_NAME']));
 
-		if( isset($params['index_file']) ) $index_file = $params['index_file'];
+		if( isset($params['index_file']) )
+		{
+			$index_file = $params['index_file'];
+			unset($params['index_file']);
+		}
 
 		$ssl = isset($params['__SSL__']) ? $params['__SSL__'] : null;
 		if ($ssl !== null) {
Index: trunk/core/units/categories/categories_event_handler.php
===================================================================
diff -u -r3031 -r3427
--- trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 3031)
+++ trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 3427)
@@ -219,6 +219,16 @@
 		
 		return parent::getPassedID($event);
 	}
+	
+	/**
+	 * Rebuilds category cache
+	 *
+	 * @param kEvent $event
+	 */
+	function OnRebuildCache(&$event)
+	{
+		$event->SetRedirectParam('index_file', 'category/category_maint.php');
+	}
 }
 
 ?>
\ No newline at end of file
Index: trunk/kernel/admin/include/toolbar/browse.php
===================================================================
diff -u -r3305 -r3427
--- trunk/kernel/admin/include/toolbar/browse.php	(.../browse.php)	(revision 3305)
+++ trunk/kernel/admin/include/toolbar/browse.php	(.../browse.php)	(revision 3427)
@@ -272,6 +272,10 @@
 			case 'decline':
 				k4_action = 'decine_items("'+prefix_special+'")';
 				break;
+			
+			case 'm_rebuild_cache':
+				k4_action = 'rebuild_cache("c")';
+				break;
 				
 			case 'copy':
   				k4_action = 'copy_items("'+prefix_special+'")';
@@ -350,6 +354,11 @@
 	{
 		Grids[prefix_special].ClearSelection(null,'Inp_AdvancedView.Unselect');
 	}
+	
+	function rebuild_cache(prefix_special)
+	{
+		submit_event(prefix_special,'OnRebuildCache','')
+	}
 	// K4 code for handling toolbar operations: end
 
 
@@ -398,7 +407,7 @@
      AddButtonAction('import',"check_submit('$admin/browse','import');"); // import
      AddButtonAction('export',"check_submit('$admin/browse','export');"); // export
      
-     AddButtonAction('rebuild_cache',"check_submit('$admin/category/category_maint', '[prefix=m_]rebuild_cache');"); // rebuild_cache
+     AddButtonAction('rebuild_cache',"check_submit('$admin/category/category_maint', 'm_rebuild_cache');"); // rebuild_cache
      
      AddButtonAction('cut',"check_submit('$admin/browse','cut');"); //cut
      AddButtonAction('copy',"check_submit('$admin/browse','copy');"); //copy
@@ -519,12 +528,13 @@
        if(page.length==0)
          page = activeTab.getAttribute("EditURL");
        
-       if ( action_prefix.match("k4:(.*)") ) {
+       if ( action_prefix.match("k4:(.*)") )
+       {
        		act = RegExp.$1;
        		act = act.replace('$\$event$$', actionValue);
        		act = act.replace('$\$prefix$$', activeTab.getAttribute("PrefixSpecial") );
-       				eval(act);
-					return;       
+			eval(act);
+			return;
        }
      }
      else
@@ -538,9 +548,9 @@
      
      if(f)
      {
-     	if ( actionValue.match(/\[prefix=(.*)\](.*)/) )
+     	if (actionValue.substring(0,2) == 'm_')
      	{
-     		f.Action.value = RegExp.$1 + RegExp.$2;
+     		f.Action.value = actionValue;
      	}
      	else
      	{