function attachCpeHandler() {
         Sys.Application.remove_load(attachCpeHandler);
         var components = Sys.Application.getComponents();
         for (var i in components) {
             if (AjaxControlToolkit.CollapsiblePanelBehavior.isInstanceOfType(components[i])) {
                 components[i].add_expandComplete(cpeCollapseComplete);
                 components[i].add_collapseComplete(cpeExpandComplete);
             }
         }
    }

     function cpeCollapseComplete(sender, arg) {
         var id = $get(sender._collapseControlID).id;
         jQuery('#' + id + ' div').css('color', 'orange');
     }

     function cpeExpandComplete(sender, arg) {
         var id = $get(sender._collapseControlID).id;
         jQuery('#' + id + ' div').css('color', '#0099ff');
     }
     Sys.Application.add_load(attachCpeHandler);
     //Sys.WebForms.PageRequestManager.getInstance().add_pageLoad(attachCpeHandler);
     Sys.WebForms.PageRequestManager.getInstance().add_endRequest(attachCpeHandler);