全选所有资源，然后再用关键字过滤，全选checkbox和选择资源的个数应该清空

app/views/users/resource_search.js.erb

@@ -1,3 +1,5 @@
 $("#resources_list").html('<%= escape_javascript( render :partial => 'resources_list' ,:locals=>{ :attachments => @attachments})%>');
 $("#pages").html('<%= pagination_links_full @atta_pages, @atta_count, :per_page_links => false, :remote => @is_remote, :flag => true %>');
 $("#res_all_count").html(<%= @atta_count%>);
+$("#res_count").html(0);
+$("#checkboxAll").attr('checked',false);