public static String multiLineToolTip(int len, String input) {
		String s = "";
		int length = len;
		if (input == null)
			return "";
		if (input.length() < length)
			return input;

		int i = 0;
		int lastSpace = 0;

		while (i + length < input.length()) {
			String temp = input.substring(i, i + length);
			lastSpace = temp.lastIndexOf(" ");
			s += temp.substring(0, lastSpace) + "<br>";
			i += lastSpace + 1;
		}
		s += input.substring(i, input.length());

		s = "<html>" + s + "</html>";

		return s;
	}