function renderDatepicker(){

  Date.format = 'dd.mm.yyyy';
  jQuery(".datepicker").datePicker({
    colorstyle: "default",
    createButton: true,
    clickInput:true,
    verticalOffset:25
  });
}

jQuery(document).ready(function(){

    renderDatepicker();

    jQuery(".datepicker[name=arrival]").live("change", function(){
        var compareObj = jQuery(this).parent().find("input[name=departure]")
        var compareId = compareObj.attr("id");
        jQuery(this).compareDates("#"+compareId);
    });

    jQuery(".datepicker[name=arrival]").each(function(){
        var compareObj = jQuery(this).parent().find("input[name=departure]")
        var compareId = compareObj.attr("id");
        jQuery(this).compareDates("#"+compareId);
    });


});