Thanks a lot, I changed permission and now it works!

I have installed 1.7.1. simpleviewer version into my site. It is working fine with demo images which included int simpleviewer 1.7.1. zip package, but I cannot add any of my image to gallery.

The gallery starts to load. The squares for thumbails created, but loading cannot be completed. Gallery srceen seems like

To add new image to the gallery I used both buildgallery.php and manual mode. No effect in both cases. Access permission for all gallery files & folders set as 777

The gallery with troubles you may see at

Please help me to configure the gallery