Recheck your plugins one by one (deactivate). there may beonepluginthat causedit. BeforeI get thesameproblem..
See related problem: http://www.oxwall.org/forum/topic/7294 (can`t not add tags, can`t add comment, etc)
Suresh, when I was testing I saw button before I clicked on the text box.
I can see that you are installing Oxwall again right now.
Let me know if the same issue appears in the new installation.