Jquery chosen plug-ins background image can't be seen with firefox

Question

Normally chosen plug-in is working without any problem with most of the browsers even old ie versions.

But today i noticed the last firefox version has got a problem with plug-in.

The image of dropdown menu disappeared:

same problem can be seen from the official site

http://harvesthq.github.com/chosen/

Answer 1

dude the plugin is showing the image of dropdown menu on my pc on all browsers latest version incl firefox chrome ie.