function showResponseDiv(e) {
	var divResponse = $("eventPreview");
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}
	//posx = posx + 10;
	divResponse.style.position = "absolute";
	divResponse.style.top = posy+"px";
	divResponse.style.left = posx+"px";
	divResponse.style.display = "block";
	divResponse.innerHTML = "<img src='img/loader.gif' border='0' /> Loading...";
}

function getPreview(e, date)
{
    var xmlHttpReq = false;
    var self = this;
	// Mozilla/Safari
	if (window.XMLHttpRequest) 
	{
		self.xmlHttpReq = new XMLHttpRequest();
	}
	// IE
	else if (window.ActiveXObject) 
	{
		self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	self.xmlHttpReq.open('POST', 'php/get_preview.php', true);
	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	self.xmlHttpReq.onreadystatechange = function() {
		if (self.xmlHttpReq.readyState == 4) 
		{
			$("eventPreview").innerHTML = self.xmlHttpReq.responseText;
		}
	}
	self.xmlHttpReq.send("date="+date);
	showResponseDiv(e)
}

function closePreview()
{
	var divResponse = $("eventPreview");
	divResponse.innerHTML = "";
	divResponse.style.display = "none";
}