code: static public String stripTopLevelTag(String xmlString){
  		return xmlString.substring(xmlString.indexOf('>') + 1, xmlString.lastIndexOf('<'));
  	}
docs: Strips off the top level tag from XML string.<br>
  从XML字符串中去掉最上层的Tag。
  
  @param xmlString	The XMl string to be processed
  @return	The result string with top level tag removed.