function enableDates()
{
	document.forms['kbs'].elements['ady'].disabled=false;
	document.forms['kbs'].elements['amo'].disabled=false;
	document.forms['kbs'].elements['ayr'].disabled=false;
	document.forms['kbs'].elements['bdy'].disabled=false;
	document.forms['kbs'].elements['bmo'].disabled=false;
	document.forms['kbs'].elements['byr'].disabled=false;
}
function disableDates()
{
	document.forms['kbs'].elements['ady'].disabled=true;
	document.forms['kbs'].elements['amo'].disabled=true;
	document.forms['kbs'].elements['ayr'].disabled=true;
	document.forms['kbs'].elements['bdy'].disabled=true;
	document.forms['kbs'].elements['bmo'].disabled=true;
	document.forms['kbs'].elements['byr'].disabled=true;
}