Index: trunk/kernel/admin_templates/incs/catalog.js
===================================================================
diff -u -r5026 -r5027
--- trunk/kernel/admin_templates/incs/catalog.js	(.../catalog.js)	(revision 5026)
+++ trunk/kernel/admin_templates/incs/catalog.js	(.../catalog.js)	(revision 5027)
@@ -48,14 +48,15 @@
 	alert('AJAX ERROR: ' + Request.getErrorHtml($request));
 }
 
-Catalog.prototype.submit_event = function($prefix_special, $event, $t, $result_div, $source_form) {
-	// set form name first, because set_hidden_field uses it
-	if (isset($source_form)) $form_name = $source_form;
+Catalog.prototype.submit_event = function($prefix_special, $event, $t) {
+	if (!isset($prefix_special)) $prefix_special = this.getCurrentPrefix();
+	var $tab_id = this.queryTabRegistry('prefix', $prefix_special, 'tab_id');
 	
-	if (isset($event)) set_hidden_field('events['+$prefix_special+']', $event);
+	$form_name = $tab_id + '_form'; // set firstly, because set_hidden_field uses it
+	if (isset($event)) set_hidden_field('events[' + $prefix_special + ']', $event);
 	if (isset($t)) set_hidden_field('t', $t);
 	
-	this.submit_kernel_form($form_name, $result_div);
+	this.submit_kernel_form($form_name, $tab_id + '_div');
 }
 
 
@@ -170,4 +171,15 @@
 
 Catalog.prototype.setItemCount = function($prefix, $count) {
 	setInnerHTML($prefix + '_item_count', $count);
+}
+
+Catalog.prototype.getCurrentPrefix = function() {
+	if (isset(Grids[this.ActivePrefix]) && (Grids[this.ActivePrefix].SelectedCount > 0)) {
+		// item tab grid exists and some items are selected
+		return this.ActivePrefix;
+	}
+	else {
+		// return prefix of first registred tab -> categories
+		return this.TabRegistry[0]['prefix'];
+	}
 }
\ No newline at end of file