function get_events()
{
    event_xmlhttp=GetXmlHttpObject();
    if (event_xmlhttp==null)
    {
	alert ("Your browser does not support AJAX!");
	return;
    }

    var url="./scripts/get_events.php";
    event_xmlhttp.onreadystatechange=event_stateChanged;
    event_xmlhttp.open("GET",url,true);
    event_xmlhttp.send(null);
}

function event_stateChanged()
{
    if (event_xmlhttp.readyState==4)
    {
	document.getElementById("events").innerHTML=event_xmlhttp.responseText;
    }
}

function GetXmlHttpObject()
{
    if (window.XMLHttpRequest)
    {
	// code for IE7+, Firefox, Chrome, Opera, Safari
	return new XMLHttpRequest();
    }

    if (window.ActiveXObject)
    {
	// code for IE6, IE5
	return new ActiveXObject("Microsoft.XMLHTTP");
    }

    return null;
}