Give it a shot. Below is the error messages when attempting to load yahoos chat using java, (blackdown1.3) with konqueror. java.lang.ClassFormatError: netscape/javascript/JSObject (Bad magic number) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:486) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:111) at org.kde.kjas.server.KJASAppletClassLoader.findClass(KJASAppletClassLoader.java:314) at org.kde.kjas.server.KJASAppletClassLoader.loadClass(KJASAppletClassLoader.java:335) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313) at y.ch.34.<init>(Unknown Source) at y.ch.0.init(Unknown Source) at org.kde.kjas.server.KJASAppletStub.initApplet(KJASAppletStub.java:145) at org.kde.kjas.server.KJASAppletStub$1.run(KJASAppletStub.java:98) at java.lang.Thread.run(Thread.java:484)