guys i got solution!
1/ run Java Control Panel
2/ not need to disable "Temp Internet Files" - so enable it back (just to be sure, that your code will work correctly on all machines with default setting
3/ goto "Advanced" tab
4/ open list called "Java console" and change the selection to "Show console"
Now when you load your html page with applet object in it - the java console shows itself too
change the source of the applet, compile it AND!!
....go to the console and pres key X on keyboard - that it!
F5 to refresh your browser and you got loaded new applet binary