+
+function filterDlgCheckAction(sender) {
+
+ try {
+
+ var action = sender[sender.selectedIndex].value;
+
+ var form = document.forms["filter_add_form"];
+
+ if (!form) {
+ form = document.forms["filter_edit_form"];
+ }
+
+ if (!form) {
+ debug("filterDlgCheckAction: can't find form!");
+ return;
+ }
+
+ var action_param = form.action_param;
+
+ if (!action_param) {
+ debug("filterDlgCheckAction: can't find action param!");
+ return;
+ }
+
+ // if selected action supports parameters, enable params field
+ if (action == 4) {
+ action_param.disabled = false;
+ } else {
+ action_param.disabled = true;
+ }
+
+ } catch (e) {
+ exception_error(e, "filterDlgCheckAction");
+ }
+
+}