没有选中任何大纲不能提交

app/views/courses/_course_outlines_list.html.erb

@@ -24,7 +24,7 @@
     <% end %>
   </div>
   <div>
-    <div class="courseSendSubmit"><a href="javascript:void(0);" class="sendSourceText" onclick="$(this).parent().parent().submit();">确定</a></div>
+    <div class="courseSendSubmit"><a href="javascript:void(0);" class="sendSourceText" onclick="if($('input[name=outline_id]:radio:checked').length != 0 ) { $(this).parent().parent().submit(); }else{ return false;}">确定</a></div>
     <div class="courseSendCancel"><a href="javascript:void(0);" class="sendSourceText" onclick="hideModal();">取消</a></div>
   </div>
   <div class="cl"></div>