function reloadDayField(startURL, lang, dayFieldId, dayFieldName, spanId, fieldIdMonth, fieldIdYear)
{
	var sel;
	
	if (!document.getElementById(dayFieldId).value) sel = '1';
	else sel = document.getElementById(dayFieldId).value;
	
	
	
	var myUrl = startURL + '/inv_ajax/get_day_date_field.php?fname=' + dayFieldName;
	myUrl = myUrl + '&sel=' + sel;
	myUrl = myUrl + '&lang=' + lang;
	myUrl = myUrl + '&fid=' + dayFieldId;
	myUrl = myUrl + '&time=' + document.getElementById(fieldIdYear).value + '-' + document.getElementById(fieldIdMonth).value + '-01';
	
	var span = document.getElementById(spanId);
	
	advAJAX.get({
    url : myUrl,
    onSuccess : function(obj) { span.innerHTML = obj.responseText; },
    onError : function(obj) { alert("Error: " + obj.status); }
	});
}