function edit_day_born(month){
	data='';
	select_day=$("#day_born").val();
	if(month=='09') month=9; 
	select_month=parseInt(month);
	
	select_year=parseInt($("#year_born").val());
	daysTotal = new Date(select_year,select_month,0).getDate();
	
	for(i=1;i<=daysTotal;i++){
	 data+='<option '+((i==select_day)?' selected':'')+'>'+i+'</option>';
	}
	$('#day_born').html(data);
	

	
}