Dear sir,
In the first time I click Comment button in a answer/question, the "meta bar" with reply, comment button and some other buttons disappear, then URL will show as picture:
![](http://www.question2answer.org/qa/?qa=blob&qa_blobid=8844592054345484663)
However, when i refresh page and click Comment again (it mean from 2nd), everything is ok and URL show as picture (it's normal):
![](http://www.question2answer.org/qa/?qa=blob&qa_blobid=9800050417048636496)
Please help me. Thanks a lot.