// JavaScript Document

var xmlHttp;


function getEvents(feed, numitems)
{ 
	var url= "http://www.vcu.edu/cgi-bin/cgiwrap/arts/music/dept/events.pl?" + feed + "&numitems=" + numitems;
	xmlHttp = GetXmlHttpObject(stateChangedEvents);
	xmlHttp.open("GET", url , true);
	xmlHttp.send(null);
} 


function stateChangedEvents() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("eventfeedbox").innerHTML = xmlHttp.responseText ;
	} 
} 

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null;
	
	if (navigator.userAgent.indexOf("MSIE")>=0)
	{ 
		var strName="Msxml2.XMLHTTP";
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
		{
			strName="Microsoft.XMLHTTP";
		} 
		try
		{ 
			objXmlHttp=new ActiveXObject(strName);
			objXmlHttp.onreadystatechange = handler;
			return objXmlHttp;
		} 
		catch(e)
		{ 
			return;
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0)
	{
		objXmlHttp=new XMLHttpRequest();
		objXmlHttp.onload = handler;
		objXmlHttp.onerror = handler;
		return objXmlHttp;
	}
	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		objXmlHttp=new XMLHttpRequest();
		objXmlHttp.onload = handler;
		objXmlHttp.onerror = handler;
		return objXmlHttp;
	}
}