Date Picker with slide animation

FOR http://stackoverflow.com/questions/8244679/how-to-add-animation-in-multiple-months-datepicker

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/jquery-ui.min.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/base/jquery-ui.css">
<input id="datepicker" value="">

JavaScript

$(function(){
    $("#datepicker").datepicker({
        numberOfMonths: 3,
        showButtonPanel: true,
        showAnim :'slideDown'

        
    });
});