[Java]why is this not working? Options

[moshkin]

Well my friend was using this and he gave it to me, i modifyed the things i needed to but it wont work for me why is this?

http://h1.ripway.com/moshkin/ircchat.html

[Peter1968]

My java console gives me this (IE 7.0)

CODE

java.lang.ClassFormatError: Incompatible magic value 1013478509 in class file IRCApplet
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at sun.applet.AppletClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.applet.AppletClassLoader.loadCode(Unknown Source)
    at sun.applet.AppletPanel.createApplet(Unknown Source)
    at sun.plugin.AppletViewer.createApplet(Unknown Source)
    at sun.applet.AppletPanel.runLoader(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Exception in thread "Thread-5" java.lang.NullPointerException
    at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
    at sun.plugin.AppletViewer.showAppletException(Unknown Source)
    at sun.applet.AppletPanel.runLoader(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
java.lang.NullPointerException
    at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
    at sun.plugin.AppletViewer.showAppletStatus(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Exception in thread "thread applet-IRCApplet.class" java.lang.NullPointerException
    at sun.plugin.util.GrayBoxPainter.showLoadingError(Unknown Source)
    at sun.plugin.AppletViewer.showAppletException(Unknown Source)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

I have no idea what any of that means.

[pandy]

Have you uploaded the class file to your server? It isn't where you say it is (in the APPLET src) anyway.
http://h1.ripway.com/moshkin/IRCApplet.class