Setting sensitive dates

You can set only those dates that the user can select
Source
<link rel="STYLESHEET" type="text/css" href="../../codebase/dhtmlxcalendar.css">
<script>window.dhx_globalImgPath = "../../codebase/imgs/";</script>
<script  src="../../codebase/dhtmlxcommon.js"></script>
<script  src="../../codebase/dhtmlxcalendar.js"></script>
<script>var mCal,
mDCal,
newStyleSheet;
window.onload = function() {
    mCal = new dhtmlxCalendarObject('dhtmlxCalendar', false, {
        isYearEditable: true
    });
    mCal.setYearsRange(2000, 2500);
    mCal.setSensitive('2008.10.20,09.30,2008.09.21,2008.09.22');
    mCal.draw();
}
function setDates() {
    mCal.setSensitive([document.getElementById('datesArea').value]);
    mCal.draw();
}</script>
 
 
<form action="">
<table cellpadding="10">
  <tr>
<td valign="top"><div id="dhtmlxCalendar"></div></td>
    <td  valign="top">
        <textarea id="datesArea" style="width:330px; height:100px;">2008.10.20,09.30,2008.09.21,2008.09.22</textarea>
        <br />
        <input type="button" value="Set dates" onclick=setDates();>
    </td>
  </tr>
</table>
</form>
<br>