vn.contextStack2.size = size;
	public String evalString(VTDNav vn) {		vn.push2();		int a = -1;		try {			a = evalNodeSet(vn);			if (a != -1) {				if (vn.getTokenType(a) == VTDNav.TOKEN_ATTR_NAME) {					a++;				}				if (vn.getTokenType(a) == VTDNav.TOKEN_STARTING_TAG) {					a = vn.getText();				}			}		} catch (Exception e) {		}		reset(vn);		vn.pop2();		try {			if (a != -1)				return vn.toString(a);		} catch (NavException e) {		}		return null;		}