function setPickerOptions(input)
{
...

return {
    // set minimum and maximum date
    // remove the time component for Firefox
    minDate: Date.parseString(datemin.substr(0,10), "yyyy-mm-dd"),
    maxDate: Date.parseString(datemax.substr(0,10), "yyyy-mm-dd"),
    yearRange: datemin.substr(0,4)+':'+datemax.substr(0,4),
    //set the other options so datetimepicker is either a datepicker or a timepicker or both
    showTimepicker: bshowTimepicker,
    timeOnly: btimeOnly,
    showButtonPanel: bshowButtonPanel,
    alwaysSetTime: balwaysSetTime,
    onSelect: sonSelect,
    dateFormat: sdateFormat,
    timeFormat: stimeFormat,
    onClose: sonClose

};