get_calendar=function(m, y, link, did){
	if(link)
		var datas="link="+link+"&year="+y+"&month="+m;
	else
		var datas="year="+y+"&month="+m;
	if(did)
		datas=datas+"&did="+did;

        $.ajax({
                type: "POST",
		data: datas,
		url: "calendar/php_calendar.php",
                success: function(msg){
                        $("#customer_calendar").html(msg);
                }
        });
}
function get_cal_month(m, y, add_sub, link){
        if(add_sub>0){if(m==12){y++;m=1;}else{m++;}}
        else{if(m==1){y--;m=12;}else{m--;}}
        get_calendar(m, y, link);
}