// Get XMLHttpRequest object
function getHTTPObject()
{
  var xmlhttp; 
  if (window.XMLHttpRequest)
	{
		xmlhttp = new XMLHttpRequest();
		if (xmlhttp.overrideMimeType) 
		{
			xmlhttp.overrideMimeType('text/xml');
		}
	} 
	else if (window.ActiveXObject) 
	{
		try 
		{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
    catch (e)
		{
			try 
			{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
      catch (e) {}
		}        	
	}
  return xmlhttp;
}

// Creation of the HTTP Object
var http = getHTTPObject(); 

function handleHttpResponse()
{
  if (http.readyState == 4)
  {
    // Split the comma delimited response into an array
    results = http.responseText;
    
    //alert("Results: " + results);
    document.getElementById("content").innerHTML = results; 
  }
}

function updateContent(page)
{
  http.open('get', page, true);
  http.onreadystatechange = handleHttpResponse;
  http.send(null);
}