function insertHTML(id, file)
{
	var request;
	try
	{
		request = new XMLHttpRequest();
	}
	catch(e)
	{
		try
		{
			request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX. Please update your browser.");
				return false;
			}
		}
	}
	request.onreadystatechange = function()
	{
		if(request.readyState == 4)
		{
			document.getElementById(id).innerHTML = request.responseText;
		}
	}
	request.open("GET", file, true);
	request.send(null);
}