Thanks prof
I have just one comment about [b]./[/b] when i add this in code and variable panel ejs print message [b]Required files not found [/b]
So l delete [b]./[/b] and change to [b]"_data/photoelectric/0.gif"[/b] i also delete from code [b]./[/b] to become like it
   material = "_data/photoelectric/sodio.gif";
   potencialcorte = 2.28;
   material = "_data/photoelectric/cesio.gif";
   potencialcorte = 2.1;
So after run applet work fine and message not appear again i didn't know what the reason, but now is work fine!

/htdocs/ntnujava/ejsuser/37048/users/egy/ahmed/qm_photoelectric_pkg/qm_photoelectric.propertiesFull screen applet or Problem viewing java?Add to exception site list
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