function do_stuff() {
					document.forms['search_form'].endDateDayM.value = 
						 document.forms['search_form'].return_day.value + "-"
						 + document.forms['search_form'].return_month.value + "-"
						 + document.forms['search_form'].return_year.value;
					document.forms['search_form'].startDateDayM.value = 
						 document.forms['search_form'].pickup_day.value + "-"
						 + document.forms['search_form'].pickup_month.value + "-"
						 + document.forms['search_form'].pickup_year.value;
					
					return false;
				}
function showHelp() {
	window.open("/pomoc", "helpWindow", 'width=500,height=500,resizable,scrollbars=yes,toolbar=no,status=yes,directories=no,menubar=no,location=no');
}