public String CheckReplace(String s) {
		try {
			if ((s == null) || (s.equals("")))
				return "";

			StringBuffer stringbuffer = new StringBuffer();
			for (int i = 0; i < s.length(); i++) {
				char c = s.charAt(i);
				switch (c) {
				case '"':
					stringbuffer.append("&quot;");
					break;
				case '\'':
					stringbuffer.append("&#039;");
					break;
				case '|':
					stringbuffer.append("");
					break;
				case '&':
					stringbuffer.append("&amp;");
					break;
				case '<':
					stringbuffer.append("&lt;");
					break;
				case '>':
					stringbuffer.append("&gt;");
					break;
				default:
					stringbuffer.append(c);
				}
			}

			return stringbuffer.toString().trim();
		} catch (Exception e) {
		}
		return "";
	}