this may or may not be a Runescape client >.>

RunicCoffee.java

package com.taksmind.coffee;

import java.applet.Applet;
import java.applet.AppletContext;
import java.applet.AppletStub;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.HashMap;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;

public class RunicCoffee extends JFrame implements AppletStub {
	private static final long serialVersionUID = 1L;
	private static final HashMap<String, String> parameters = new HashMap();

	public RunicCoffee() {
		try {
			setResizable(true);
			setTitle("RunicCoffee");
			setVisible(true);
			parameters.put("id", "game");
			parameters.put("width", "762");
			parameters.put("height", "503");
			parameters.put("cabbase", "loader-890726325.cab");
			parameters.put("java_arguments",
					"-Xmx102m -Dsun.java2d.noddraw=true");

			parameters.put("colourid", "0");
			parameters.put("worldid", "40");
			parameters.put("lobbyid", "1109");
			parameters.put("lobbyaddress", "lobby10.runescape.com");
			parameters.put("demoid", "901");
			parameters.put("demoaddress", "demoworld1.runescape.com");
			parameters.put("modewhere", "0");
			parameters.put("modewhat", "0");
			parameters.put("lang", "0");
			parameters.put("objecttag", "0");
			parameters.put("js", "1");
			parameters.put("game", "0");
			parameters.put("affid", "0");

			parameters.put("advert", "1");

			parameters.put("settings",
					"wwGlrZHF5gKN6D3mDdihco3oPeYN2KFybL9hUUFqOvk");

			parameters.put("country", "0");
			parameters.put("haveie6", "0");
			parameters.put("havefirefox", "1");
			parameters.put("cookieprefix", "");
			parameters.put("cookiehost", ".runescape.com");
			parameters.put("cachesubdirid", "0");

			parameters.put("crashurl",
					"http://www.runescape.com/slu.ws?j=1&crash=1");

			parameters
					.put("unsignedurl", "http://www.runescape.com/slu.ws?j=1");

			parameters.put("sitesettings_member", "0");
			parameters.put("frombilling", "false");
			parameters.put("sskey", "");
			parameters.put("force64mb", "false");
			parameters.put("worldflags", "21");

			URLClassLoader localURLClassLoader = new URLClassLoader(
					new URL[] { new URL(
							"http://world108.runescape.com/loader682099255.jar") });

			Applet localApplet = (Applet) localURLClassLoader.loadClass(
					"loader").newInstance();

			localApplet.setStub(this);
			localApplet.init();
			localApplet.start();

			JPopupMenu.setDefaultLightWeightPopupEnabled(false);
			JPanel localJPanel = new JPanel(new BorderLayout());
			localJPanel.setPreferredSize(new Dimension(768, 560));
			setPreferredSize(new Dimension(768, 658));
			localJPanel.add(localApplet);
			getContentPane().add(localApplet, "Center");
			setDefaultCloseOperation(3);
			setSize(769, 538);
		} catch (Exception localException) {
			localException.printStackTrace();
		}
	}

	public void appletResize(int paramInt1, int paramInt2) {
	}

	public final URL getCodeBase() {
		try {
			return new URL("http://world108.runescape.com/");
		} catch (Exception localException) {
		}
		return null;
	}

	public final URL getDocumentBase() {
		try {
			return new URL("http://world108.runescape.com/");
		} catch (Exception localException) {
		}
		return null;
	}

	public final String getParameter(String paramString) {
		return (String) parameters.get(paramString);
	}

	public final AppletContext getAppletContext() {
		return null;
	}

	public static void main(String[] paramArrayOfString) {
		new RunicCoffee().setVisible(true);
	}
}