function   BannerApp(currentHost)
{
	var request;
	function createRequest()
	{
		try
		{
			request = new XMLHttpRequest();
		}
		catch (trymicrosoft)
		{
		    try
			{
				request = new ActiveXObject("Msxml2.XMLHTTP");
		    }
			catch (othermicrosoft)
			{
			    try
				{
			        request = new ActiveXObject("Microsoft.XMLHTTP");
			    }
				catch (failed)
				{
			        request = false;
				}
		    }
			if (!request)
			alert("Error initializing XMLHttpRequest!");
		}
		
	}
	
	function callbackFunc()
	{
	 
		if (request.readyState == 4)
		{
			
			if (request.status == 200){
			     var text = request.responseText;
		         document.getElementById("bannerDivID").innerHTML = text;
			}
	//		else{
	//				alert("Error: status code is " + request.status);
	//		}		
		}
	}
	
	createRequest();
	var action = "http://"+currentHost+"/XMLDataSet.php"; 
	request.open("GET", action, true);
	request.onreadystatechange = callbackFunc;
	request.send(null);
}