I have tested again, online your version works in all the browsers that I try,
When I download your zip file, unpack, it displays correctly in Firefox, IE and Opera, but not in Chrome (have downloaded again)
If I put these files online I still see the same problem. It would suggest that somewhere there is a discrepancy between the files on your server and the download zip
In Chrome when I look at 2a, instead of the row of stars I see a slider.
in 2b instead of the row of stars I see a drop down box -
I am using Chrome 12.0.742.122 with no plugins