public void characters(char ch[], int start, int length)
    throws SAXException {
		if(inLevelWidth) {
			try {
				level_width = Integer.parseInt(new String(ch, start, length));
			} catch (NumberFormatException e) {
				System.err.println("Breakout: Could not parse level_width");
				System.exit(1);
			}
		}
		
		if(inLevelHeight) {
			try {
				level_height = Integer.parseInt(new String(ch, start, length));
			} catch (NumberFormatException e) {
				System.err.println("Breakout: Could not parse level_height");
				System.exit(1);
			}
		}
		
		if(inX) {
			try {
				x = Integer.parseInt(new String(ch, start, length));
			} catch (NumberFormatException e) {
				System.err.println("Breakout: Could not parse x");
				System.exit(1);
			}
		}
		
		if(inY) {
			try {
				y = Integer.parseInt(new String(ch, start, length));
			} catch (NumberFormatException e) {
				System.err.println("Breakout: Could not parse y");
				System.exit(1);
			}
		}
		
		if(inColor) {
			color = new String(ch, start, length); 
		}
	}