private List<String> splitContentString(String contentString){
		int lastBraceIdx = contentString.lastIndexOf('}');
		
		int idx = contentString.indexOf("\"TxtContent\":\"");
		int lidx = contentString.lastIndexOf('{',idx);
		int ridx;
		List<String> retList = new ArrayList<String>();
		while( idx > 0 ){
			idx  = contentString.indexOf("\"TxtContent\":\"",idx + 1);
			if( idx > 0){
				ridx = contentString.lastIndexOf('}',idx);
				String tmp =  contentString.substring(lidx,ridx+1);
				retList.add(tmp);
				lidx = contentString.lastIndexOf('{',idx);
			}else{
				ridx = lastBraceIdx;
				String tmp =  contentString.substring(lidx,ridx+1);
				retList.add(tmp);
			}
			
		}
		return retList;
	}