function HandleClick(daynum)
{
	var theDate = new Date(document.all("yearselect").value, document.all("monthselect").value, daynum);//1996,3,1
	PrintMonth(document.all("calend"), document.all("mselect"), theDate);
}

function LeapYear(year)
{
	if(year%1000==0) return true;
	if(year%400==0) return false;
	if(year%4==0) return true;
	return false;
}