experiments with audio and loader
Revert "hopefully fixed loading"

This reverts commit 3f5054526e402d885964ed14d6e602d9cda95245.
hopefully fixed it now
hopefully fixed it now
small change
testing sounds
testing sounds
more tests
Fixed Preloader and Audio (i hope)
opera throws error
tests for IE and different types of adding sounds
removed attachEvent
added manifest for Mozilla apps
fixed app extension
trying to fix content type
added possiblity to install cron as mozilla app
Added flicker effect , changed Functions to Events, better Explosion added
First Powerups added
Fixed displaying lives after death, added gameover music
fixed flicker , powerups moving faster