Image bug without javascript

Hi,

I have installed this plugin and it works fine… but if I desactivate javascript image don’t show correctly.

In Chrome :
http://screenpresso.com/=miaag

In Firefox :
http://screenpresso.com/=ye2P

An idea ?

If you want to see my site :
Jeux en Promo

Thanks !

http://wordpress.org/extend/plugins/bj-lazy-load/