public void startElement(String uri, String localName, String qName, Attributes attrib) {

		buffer.setLength(0);

		if (qName.equals("choice")) {
			if (attrib != null) {
				for (int i = 0, n = attrib.getLength(); i < n; i++) {
					attribName = attrib.getQName(i);
					attribValue = attrib.getValue(i);
					if ("correct".equals(attribName)) {
						if ("true".equals(attribValue)) {
							correctBitSet.set(iChoice);
						}
					}
					else if ("selected".equals(attribName)) {
						if ("true".equals(attribValue)) {
							selectedBitSet.set(iChoice);
						}
					}
				}
			}
		}

	}