var options = jQuery.extend({
        presetRanges: [
            {text: 'Today', dateStart: 'today', dateEnd: 'today' },
            {text: 'Last 7 days', dateStart: 'today-7days', dateEnd: 'today' },
            {text: 'Month to date', dateStart: function(){ return Date.parse('today').moveToFirstDayOfMonth();  }, dateEnd: 'today' },