function populate(objForm,selectIndex) 
{
	timeA = new Date(objForm.year.options[objForm.year.selectedIndex].text,
	objForm.month.options[objForm.month.selectedIndex].value,1);
	timeDifference = timeA - 86400000;
	timeB = new Date(timeDifference);
	
	var daysInMonth = timeB.getDate();
	for (var i = 0; i < objForm.day.length; i++) 
	{
		objForm.day.options[0] = null;
	}
	for (var i = 0; i < daysInMonth; i++) 
	{
		objForm.day.options[i] = new Option(i+1);
	}
	document.f1.day.options[0].selected = true;
}
function getYears() 
{
	// You can easily customize what years can be used
	var years = new Array(1997,1998,1999,2000,2001,2005)
	
	for (var i = 0; i < document.f1.year.length; i++) 
	{
		document.f1.year.options[0] = null;
	}
	timeC = new Date();
	currYear = timeC.getFullYear();
	for (var i = 0; i < years.length; i++) 
	{
		document.f1.year.options[i] = new Option(years[i]);
	}
	document.f1.year.options[2].selected=true;
}
window.onLoad = getYears;
//  End -->