on put ajax-requests on filters where we have data to load

git-svn-id: https://dev.finn.de/svn/cockpit/branches/reporting_merge@1816 7926756e-e54e-46e6-9721-ed318f58905e

app/views/cost_reports/filters/_multi_values.rhtml

@@ -12,6 +12,7 @@
             name="values[<%= element[:filter_name] %>][]"
             id="<%= element[:filter_name] %>_arg_1_val"
             class="select-small"
+            data-loading="ajax"
             multiple="multiple"> <%# multiple will be disabled/enabled later by JavaScript anyhow. We need to specify multiple here because of a IE6-bug. %>
             <%# content will be inserted on filter activation %>
     </select>

assets/javascripts/reporting.js

@@ -467,7 +467,7 @@ function init_group_bys() {
 function load_available_values_for_filter(filter_name) {
   var select;
   select = $('' + filter_name + '_arg_1_val');
-  if (select.childElements().length == 0) {
+  if (select.readAttribute('data-loading') == "ajax" && select.childElements().length == 0) {
     new Ajax.Updater({ success: select }, '/cost_reports/available_values', {
       parameters: { filter_name: filter_name },
       insertion: 'bottom',