Blank screen in my site AND in your site :

This screen is just black (tested on ffox/chrome/msie10) on 3 PCs.
http://www.nextgen-gallery.com/nextgen-pro/#gallery/pro-masonry/421/0

Same problem when I use the “gallery button” in the Posts Editor (but white).
The content seems to be in the iframe called but not visible.

Thank’s,
fred

http://wordpress.org/plugins/nextgen-gallery/