var XMLHttpRequestObject;
var bottomAgent;
try
{
	// firefox
	XMLHttpRequestObject = new XMLHttpRequest();
	bottomAgent = new XMLHttpRequest();
}
catch(e)
{
	// Internet Explorer
	try
	{
		XMLHttpRequestObject = new ActiveXObject("Msxml2.XMLHTTP");
		bottomAgent = new ActiveXObject("Msxml2.XMLHTTP");
	}
	catch (e)
	{
		try
		{
			XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
			bottomAgent = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch (e)
		{
			alert("Your browser does not support AJAX!");
		}
	}
}
function putText(source, divID)
{
	if (XMLHttpRequestObject)
	{
		XMLHttpRequestObject.open("GET", source);
		
		XMLHttpRequestObject.onreadystatechange = function()
		{
			if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200)
			{
				var obj = document.getElementById(divID);
				obj.innerHTML = XMLHttpRequestObject.responseText
			}
		}
		
		XMLHttpRequestObject.send(null);
	}
	else
	{
		document.getElementById("topDiv").innerHTML = "Your browser does not support AJAX!";
	}
	clearBottomDiv();
}

function clearBottomDiv()
{
	document.getElementById("bottomDiv").innerHTML = "";
}

function loadBottomComponent(fileName)
{
	if (bottomAgent)
	{
		bottomAgent.open("GET", fileName);
		
		bottomAgent.onreadystatechange = function()
		{
			if (bottomAgent.readyState == 4 && bottomAgent.status == 200)
			{
				var obj = document.getElementById("bottomDiv");
				obj.innerHTML = bottomAgent.responseText
			}
		}
		
		bottomAgent.send(null);
	}
	else
	{
		document.getElementById("bottomDiv").innerHTML = "Your browser does not support AJAX!";
	}
}