function ajaxRequest(page, callbackFunction, postVars)
{
	currentPage = page;
	//loadingGIFs(4);
	var xmlHttp;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}

	xmlHttp.onreadystatechange=function()
	{
		if(xmlHttp.readyState==4)
		{
			if(callbackFunction.length>0)
			{
				eval(callbackFunction+"('"+xmlHttp.responseText+"')");
			}
		}
	}
	
	if(postVars.length>0)
	{
		xmlHttp.open("POST",page,true);
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlHttp.setRequestHeader("Content-length", postVars.length);
		xmlHttp.setRequestHeader("Connection", "close");
		xmlHttp.send(postVars);
	}
	else
	{
		xmlHttp.open("GET",page,true);
		xmlHttp.send(null);
	}
}