is it possible to deobfuscate/decompile this applet?

http://www.runescape.com/loginapplet...&dest=index.ws

Code:
<applet class="loginapplet" archive="loginapplet-4da9dce0-1119942563.jar" code="loginapplet.class" height="200" width="400" mayscript>
<param name="cabbase" value="loginapplet-26fb3f34.cab?cb=668995011">
<param name="archive" value="loginapplet-4da9dce0-1119942563.jar">
<param name="java_arguments" value="-Dsun.java2d.noddraw=true">
<param name="loginurl" value="http://weblogin.runescape.com/login.ws">
<param name="mayscript" value="true">
<param name="lang" value="0">
<param name="dest" value="index.ws">
<param name="mod" value="www">
<param name="where" value="0">
<param name="ssl" value="0">
<param name="remember_me" value="false">
</applet>