var today = new Date();
var target = new Date();
target.setFullYear(tYear);
target.setMonth(tMonth-1);
target.setDate(tDay-1);

difference = target.getTime() - today.getTime();
difference = Math.floor(difference / (1000 * 60 * 60 * 24));

function eventDrow() {
	if (difference < 0){
		eve=(document.all)?document.all('event').style:document.getElementById('event').style;
		eve.display="none";
	}
}