jQuery(document).ready(gformInitDatepicker);

function gformInitDatepicker(){
    jQuery('.datepicker').each(
        function (){
            var element = jQuery(this);
            var format = element.hasClass("mdy") ? "mm/dd/yy" : "dd/mm/yy";

            var image = "";
            var showOn = "focus";
            if(element.hasClass("datepicker_with_icon")){
                showOn = "both";
                image = jQuery('#gforms_calendar_icon_' + this.id).val();
            }

            element.datepicker({ yearRange: '-100:+10', showOn: showOn, buttonImage: image, buttonImageOnly: true, dateFormat: format });
        }
    );
}