How do I add HTML to this datepicker tool tip?

Hi - I am not a javascript programmer but I can cut and paste with the best of 'em. ;)
I found the code below to generate tooltips over specified dates on a jquery datepicker.  It works superbly for short text strings but I'd like to add more html functionality such as: line break tags, and links.

<script language="JavaScript" type="text/javascript">$(function() {
    // format: specialDays.year.month.day
    var specialDays = {
      '2011': {
        '1': {'1': {tooltip: "New Year's Day", className: "holiday"}},
        '4': {
          '10': {tooltip: "Good Friday", className: "holiday"},
          '13': {tooltip: "Easter Monday", className: "holiday"}
        },
        '5': {
          '4': {tooltip: "Early May Bank Holiday, 9-6,"+<br />+"1120 Mill Road, Egg Harbor Twp", className: "holiday"},
          '15': {tooltip: "Spring Bank Holiday", className: "holiday"}
        },
        '8': {'31': {tooltip: "Summer Bank Holiday", className: "holiday"}},
        '12': {
          '25': {tooltip: "Christmas Day", className: "holiday"},
          '28': {tooltip: "Boxing Day", className: "holiday"}
        }
      }
    };
    
    $('#datepicker').datepicker({beforeShowDay: function(date) {
      var d = date.getDate(),
        m = date.getMonth()+1,
        y = date.getFullYear();
        
      if (specialDays[y] && specialDays[y][m] && specialDays[y][m][d]) {
        var s = specialDays[y][m][d];
        return [true, s.className, s.tooltip]; // selectable
      }
      return [false,'']; // non-selectable
    }});
  });</script>

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Then this is in the body:

<div id="datepicker"></div>

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I hope this is enough information for an expert to help me with this questions.
TIA.
D2