var posX;
var posY;
var offset;

function showDetail(event_id, sx, sy) {

posX = sx;
posY = sy;

if (ajax) {
		var q = 'calendar_detail.php?event=' + encodeURIComponent(event_id);
		ajax.open('get',q,true);
		ajax.onreadystatechange = handle_check;
		ajax.send(null);
	} 
}

function handle_check() {
	if ((ajax.readyState == 4) && (ajax.status == 200)) {
		document.getElementById('detail_label').innerHTML = ajax.responseText;
		var object = document.getElementById('datedetail');
		object.style.display = 'block';
		object.style.left = (posX - 120) + 'px';
		object.style.top = (posY) + 'px';
}
}		

function closeDetail() {
		document.getElementById('datedetail').style.display = 'none';
}