Thomas Down wrote: > How are you invoking the applet? Could you send a copy of > the <applet> element from your document? > <applet code="myGrid.seqviewer.FastBeadApplet" width="100%" height="100%"> Though I've also tried: <applet archive="biojava-1.20.jar" code="myGrid.seqviewer.FastBeadApplet" width="100%" height="100%"> with exactly the same results.