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;
 }