//wait for the width information to be loaded
		while (image.getWidth(null) == -1 {    
   		try {         
      	Thread.sleep(200);       
			}
			catch(InterruptedException e) {
   		} 
		}  
		if (!haveWidth) {
			synchronized (im) {
      	if (im.getWidth(this) == -1) {          
					try {
            	im.wait();
         	}
        		catch (InterruptedException) {
         	}       
      	}    
   		}  
			//If we got this far, the width is loaded, we will never go thru 
			// all that checking again.     
			haveWidth = true; 
		} 
... 
public boolean imageUpdate(Image img, int flags, int x, int y, int width, int height) {
		boolean moreUpdatesNeeded = true;     
		if ((flags&ImageObserver.WIDTH)!= 0 {
   		synchronized (img) {
     		img.notifyAll();
				moreUpdatesNeeded = false;
			}
		}
		return 	
		moreUpdatesNeeded; 
	}