function change_date (year,month)
{
if ( (year < 1970) || (year > 2037) )
	return;

document.location.href = "calendar.php?cal_year=" + year + "&cal_month=" + month + "&cal_day=" + sel_day + "&blogbnr=" + blogbnr;
}


function checkform_calendar()
{
tag = sel_day;
monat = sel_month;
jahr = sel_year;

cal_date = new Array;

cal_date["day"] = tag;
cal_date["month"] = monat;
cal_date["year"] = jahr;

cal_date = tag+"."+monat+"."+jahr;

parent.set_date(cal_date);
//top.close();
parent.hide_calendar();
}

function schliessen()
{
window.returnValue = null;
top.close();
}