var fWhereToDisplayData;
var xmlHttp;

function RequestData(whereToDisplayData,urlToRequestData,imageURL)
{
	try
	{
		fWhereToDisplayData = whereToDisplayData;
		
		if(imageURL !="")
		{
			document.getElementById(whereToDisplayData).innerHTML= '<center><img alt ="" src="'+imageURL+'"></img></center>';
		}
		
		xmlHttp = GetXmlHttpObject();

		xmlHttp.onreadystatechange = function()
		{
			var xmlResponse = xmlHttp.responseText;
			document.getElementById(whereToDisplayData).innerHTML = xmlResponse;
		};
		
		xmlHttp.open("GET", urlToRequestData, true);
		xmlHttp.send(null);
	}
	catch(e)
	{
		alert(e);
	}
}

function GetDataStatusChanged() 
{ 
	try
	{
		var xmlResponse = xmlHttp.responseText;
		document.getElementById(fWhereToDisplayData).innerHTML = xmlResponse;
	}
	catch (e)
	{
		alert(e);
	}
}


function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
	 	// Firefox, Opera 8.0+, Safari
	 	xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
	 	//Internet Explorer
		 try
		 {
		  	xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		 }
		 catch (e)
		 {
		  	xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		 }
	}
	return xmlHttp;
}