function showEvent(id){
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType) {
			http_request.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
 		}
	}

	if (!http_request) {
		alert('Cannot create an XMLHTTP instance');
		return false;
	}

	http_request.onreadystatechange = getXML;
	http_request.open("GET", "calendar-event.php?id=" + id, true);
	http_request.send(null);
}

function getXML(){
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var xmldoc = http_request.responseXML;
			var ename = xmldoc.getElementsByTagName('name')[0].firstChild.nodeValue;
			var edate = xmldoc.getElementsByTagName('date')[0].firstChild.nodeValue;
			var eventview = document.getElementById('eventview');
			document.getElementById('ename').innerHTML = ename;
			document.getElementById('edate').innerHTML = edate;
			if(xmldoc.getElementsByTagName('details')[0].firstChild)
				document.getElementById('einfo').innerHTML = xmldoc.getElementsByTagName('details')[0].firstChild.nodeValue;
			else
				document.getElementById('einfo').innerHTML = "";
			eventview.style.display = 'inline';
			eventview.style.left = ((document.documentElement.scrollWidth - eventview.offsetWidth)/2) + "px";
			eventview.style.top = ((window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop) + 200) + "px";
 		} else {
			alert('There was a problem with the request.');
		}
	}
}