"$applet = JavaApplet(
code => "geogebra.GeoGebraApplet",
archive => "geogebra.jar","
to
"$applet = GeogebraWebApplet(
code => "geogebra.GeoGebraApplet",
archive => "geogebra.jar", "
I had a really hard time with this, but finally got it to work after updating to PG 2.8.1. Then I changed the following from