Thanks Michel. You have been right. I have no more problems with the grid appearing after TAB pressing after I have dowloaded and changed a new files.
But another problems apeared:
"INFO: krpano 1.0.8 beta 8 (build 2009-06-15)
INFO: Flashplayer WIN 10,0,22,87 PlugIn
INFO: registered to: Hubert Pawlowski
WARNING: not local trusted - ExternalInterface disabled!
ERROR: Security Error - "../plugins/googlemaps.swf"
My Googlemaps disapeared!
What can I do? Have you any idea?