$.datepicker.setDefaults({ dateFormat: 'dd M yy', firstDay: 1, changeYear: true, showOn: 'button', showButtonPanel: true, buttonImageOnly: true, buttonImage: "/images/calendar.png" });

$(document).ready(function()
{
  $.each($(".datepicker"), function()
  {
    datepickerFor(this, {});
  });
});

function datepickerFor(ele, opts)
{
  $(ele).datepicker(opts);
  $(ele).width($(ele).width() - 16);
}