[SOLVED] Stencil buffer help

Hey guys, I cant seem to get the stencil buffer working properly.
Here is the code.

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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package chapter3;

import org.lwjgl.LWJGLException;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import static org.lwjgl.opengl.GL11.*;

public class Stencil {
    // Square position and size variables
    private float x1;
    private float y1;
    private float rsize;
    // Step size in x and y directions
    // (number of pixels to move each time)
    private float xstep;
    private float ystep;
    
    // Clipping area variables
    private float clipWidth;
    private float clipHeight;
    
    public Stencil() {
        // Initialize variables
        x1 = 0.0f;
        y1 = 0.0f;
        rsize = 25;
        xstep = 1.0f;
        ystep = 1.0f;
        
        // Create window
        try {
            Display.setDisplayMode(new DisplayMode(800, 600));
            Display.setTitle("Stencil Animation");
            Display.create();
            Display.setResizable(true);
            Display.setVSyncEnabled(true);
        } catch (LWJGLException e) {
            e.printStackTrace();
        }
    }
    
    /*
     * Called to run the program
     */
    public void run() {
        while (!Display.isCloseRequested()) {
            setupRC();
            changeSize(Display.getWidth(), Display.getHeight());
            animate(Display.getWidth(), Display.getHeight());
            renderScene();
            
            // Update display
            Display.update();
           // Display.sync(60);
        }
        
        cleanUp();
    }
    
    /*
     * Called to draw scene
     */
    public void renderScene() {
        double dRadius = 0.1;   // Initial radius of spiral
        double dAngle;
        
        // Use 0 for clear stencil, enable stencil test
        glClearStencil(0);
        glEnable(GL_STENCIL_TEST);
        
        // Clear color and stencil buffer
        glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
        
        // All drawing commands fail the stencil test, and are not 
        // drawn, but increment the value in the stencil buffer
        glStencilFunc(GL_NEVER, 0x0, 0x0);
        glStencilOp(GL_INCR, GL_INCR, GL_INCR);
        
        // Spiral pattern will create stencil pattern
        // Draw the spiral pattern with white lines. We
        // make the lines white to demonstrate that the
        // stencil function prevents them from being drawn
        glColor3f(1.0f, 1.0f, 1.0f);
        glBegin(GL_LINE_STRIP);
            for (dAngle = 0; dAngle < 400; dAngle += 0.1) {
                glVertex2d(dRadius * Math.cos(dAngle), dRadius * Math.sin(dAngle));
                dRadius *= 1.002;
            }
        glEnd();
        
        // Now, allow drawing, except where the stencil pattern is 0x1
        // and do not make any further changes to the stencil buffer
        glStencilFunc(GL_NOTEQUAL, 0x1, 0x1);
        glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
        
        // Now draw red bouncing square
        // (x and y) are modified by a timer function
        glColor3f(1.0f, 0.0f, 0.0f);
        glRectf(x1, y1, x1 + rsize, y1 - rsize);
    }
    
    /* 
     * Set up the rendering state
     */
    public void setupRC() {
        // Set clear color to blue
        glClearColor(0.0f, 0.0f, 1.0f, 0.0f);
    }
    
    /*
     * Set up method to adjust window size
     */
    public void changeSize(int w, int h) {
        float nRange = 100.0f;
        
        // Prevent a divide by zero
        if (h == 0) {
            h = 1;
        }
        
        // Set Viewport to window dimensions
        glViewport(0, 0, w, h);
        
        // Reset coordinate system
        glMatrixMode(GL_PROJECTION);
        glLoadIdentity();
        
        // Establish clipping volume (left, right, bottom, top, near, far)
        if (w <= h) {
            glOrtho(-nRange, nRange, -nRange * h / w, nRange * h / w,
                    -nRange, nRange);
            clipWidth = nRange;
            clipHeight = nRange * h / w;
        } else {
            glOrtho(-nRange * w / h, nRange * w / h, -nRange, nRange,
                    -nRange, nRange);
            clipWidth = nRange * w / h;
            clipHeight = nRange;
        }
        
        glMatrixMode(GL_MODELVIEW);
        glLoadIdentity();
    }
    
    /*
     * Check window size and adjust x and y values 
     * accordingly, animate square
     */
    public void animate(float windowWidth, float windowHeight) {  
        // Reverse direction when you reach left or right edge
        // of the screen
        if (x1 > clipWidth - rsize || x1 < -clipWidth) {
            xstep = -xstep;
        }
        
        // Reverse direction when you reach top or bottom edge
        if (y1 > clipHeight || y1 < -clipHeight + rsize) {
            ystep = -ystep;
        }
        
        animate();
        
        // Check bounds. This is in case the window is made
        // smaller while the rectangle is bouncing and the
        // rectangle suddenly finds itself outside the new
        // clipping volume
        if (x1 > (windowWidth - rsize + xstep)) {
            x1 = windowWidth - rsize - 1;
        } else if (x1 < -(windowWidth + xstep)) {
            x1 = -windowWidth - 1;
        }
        
        if (y1 > (windowHeight + ystep)) {
            y1 = windowHeight - 1;
        } else if (y1 < -(windowHeight - rsize + ystep)) {
            y1 = -windowHeight + rsize - 1;
        }
    }
    
    /*
     * Move the square around the screen
     */
    public void animate() {
        x1 += xstep;
        y1 += ystep;
    }
    
    /*
     * Clean up method used to destroy unused objects
     */
    public void cleanUp() {
        Display.destroy();
    }
    
    public static void main(String[] args) {
        new Stencil().run();
    }
}

Im learning OpenGL through the OpenGL Superbible book. This is an example of using stencil buffer but it doesnt work for me? What am i missing?