jQuery UI date range implementation
<div id="dateranger"></div>
$('#dateranger').dateranger({
defaultStartDate: '1/25/2013',
defaultEndDate: '1/25/2013',
onSelectStartDate: function(date_text) {},
onSelectEndDate: function(date_text) {},
});
$('#date_range_container').dateranger('setStartDate', new Date());
$('#date_range_container').dateranger('setEndDate', new Date());