css position:fixed works on mozilla 21/IE10 but not in chrome ?

Hello guys,

     I want to stick in position  a rectangle or photo while scrolling browser.

I am using    sym.$("Rectangle3").css({"position":"fixed"});

This works fine in Mozilla and IE10 but not in chrome (Version 27.0.1453.116 m)

Anyone to help please?

Thanks in advance.

Anthony