Index: branches/RC/core/admin_templates/js/script.js
===================================================================
diff -u -r9658 -r9794
--- branches/RC/core/admin_templates/js/script.js	(.../script.js)	(revision 9658)
+++ branches/RC/core/admin_templates/js/script.js	(.../script.js)	(revision 9794)
@@ -591,7 +591,7 @@
 
 // sets hidden field value
 // if the field does not exist - creates it
-function set_hidden_field($field_id, $value)
+function set_hidden_field($field_id, $value, $has_id)
 {
 	var $kf = document.getElementById($form_name);
 	var $field = $kf.elements[$field_id];
@@ -611,9 +611,11 @@
 	$field = document.createElement('INPUT');
 	$field.type = 'hidden';
 	$field.name = $field_id;
-	$field.id = $field_id;
-	$field.value = $value;
+	if (!isset($has_id) || $has_id) {
+		$field.id = $field_id;
+	}
 
+	$field.value = $value;
 	$kf.appendChild($field);
 	return false;
 }
Index: branches/RC/core/admin_templates/catalog/catalog.tpl
===================================================================
diff -u -r9524 -r9794
--- branches/RC/core/admin_templates/catalog/catalog.tpl	(.../catalog.tpl)	(revision 9524)
+++ branches/RC/core/admin_templates/catalog/catalog.tpl	(.../catalog.tpl)	(revision 9794)
@@ -89,6 +89,16 @@
 					a_toolbar.AddButton( new ToolBarButton('in-portal:export', '<inp2:m_phrase label="la_ToolTip_Export" escape="1"/>', function() {
 							var $export_prefixes = new Array('l', 'p');
 							if (in_array($Catalog.ActivePrefix, $export_prefixes)) {
+								// get selected categories
+								set_hidden_field('export_categories', Grids['c'].GetSelected().join(','));
+
+								// get selectes category items
+								for (var $i in Grids[$Catalog.ActivePrefix].Items) {
+									if (Grids[$Catalog.ActivePrefix].Items[$i].selected) {
+										set_hidden_field(Grids[$Catalog.ActivePrefix].Items[$i].CheckBox.id, 'on', false);
+									}
+								}
+
 								submit_event($Catalog.ActivePrefix, 'OnExport');
 							}
 							else {
Index: branches/RC/kernel/admin_templates/catalog.tpl
===================================================================
diff -u -r9524 -r9794
--- branches/RC/kernel/admin_templates/catalog.tpl	(.../catalog.tpl)	(revision 9524)
+++ branches/RC/kernel/admin_templates/catalog.tpl	(.../catalog.tpl)	(revision 9794)
@@ -89,6 +89,16 @@
 					a_toolbar.AddButton( new ToolBarButton('in-portal:export', '<inp2:m_phrase label="la_ToolTip_Export" escape="1"/>', function() {
 							var $export_prefixes = new Array('l', 'p');
 							if (in_array($Catalog.ActivePrefix, $export_prefixes)) {
+								// get selected categories
+								set_hidden_field('export_categories', Grids['c'].GetSelected().join(','));
+
+								// get selectes category items
+								for (var $i in Grids[$Catalog.ActivePrefix].Items) {
+									if (Grids[$Catalog.ActivePrefix].Items[$i].selected) {
+										set_hidden_field(Grids[$Catalog.ActivePrefix].Items[$i].CheckBox.id, 'on', false);
+									}
+								}
+
 								submit_event($Catalog.ActivePrefix, 'OnExport');
 							}
 							else {