problema con Applet!

[txiti]

Exactamente sale todo esto, hay que copiar algun .jar o algo?Ayuda please!!!!!!!!!!!!!

Java Plug-in 1.6.0_02
Usar versión JRE 1.6.0_02 Java HotSpot(TM) Client VM
Directorio local del usuario = C:\Users\Maitane
----------------------------------------------------
c: borrar ventana de consola
f: finalizar objetos en la cola de finalización
g: liberación de recursos
h: presentar este mensaje de ayuda
l: volcar lista del cargador de clases
m: imprimir sintaxis de memoria
o: activar registro
p: recargar configuración de proxy
q: ocultar consola
r: recargar configuración de norma
s: volcar propiedades del sistema y de despliegue
t: volcar lista de subprocesos
v: volcar pila de subprocesos
x: borrar antememoria del cargador de clases
0-5: establecer nivel de rastreo en <n>
----------------------------------------------------
cargar: clase Dibujar.java no encontrada.
java.lang.ClassNotFoundException: Dibujar.java
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)
Caused by: java.io.IOException: open HTTP connection failed.
at sun.applet.AppletClassLoader.getBytes(Unknown Source)
at sun.applet.AppletClassLoader.access$100(Unknown Source)
at sun.applet.AppletClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 10 more
cargar: clase Dibujar.class no encontrada.
java.lang.ClassNotFoundException: Dibujar.class
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)
Caused by: java.io.IOException: open HTTP connection failed.
at sun.applet.AppletClassLoader.getBytes(Unknown Source)
at sun.applet.AppletClassLoader.access$100(Unknown Source)
at sun.applet.AppletClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 10 more