protected String removeAxisTag(String axisId) { return (String) getTagHash().remove(axisId);
protected String removeAxisTag (String axisId) { String tagName = (String) tagHash.remove(axisId); if (tagName != null) axisIdHash.remove(tagName);  needToCheckAxisOrder = true;  return tagName;
   protected String removeAxisTag(String axisId) {    return (String) getTagHash().remove(axisId);   }