function CreateRequest()
{
	var Request = false;
	
	if (window.ActiveXObject)
	{
		//Internet explorer
		Request = new ActiveXObject("Microsoft.XMLHTTP");
		
		if (!Request)
		{
			HRequest = new ActiveXObject("Msxml2.XMLHTTP");
		}
	}
	else
	if (window.XMLHttpRequest)
	{		
		Request = new XMLHttpRequest();
	}
	else 
	if (!Request)
	{
		alert("Error in XMLHttpRequest");
	}
	
	return Request;
}



function SendRequest(r_method, r_path, r_args, r_handler)
{
	
	var Request = CreateRequest();
	
	
	if (!Request)
	{
		return;
	}
	
	
	Request.onreadystatechange = function()
	{
		
		if (Request.readyState == 4)
		{			
			r_handler(Request);
		}
	}
	
	
	if (r_method.toLowerCase() == "get" && r_args.length > 0)
		r_path += "?" + r_args;
	
	
	
	Request.open(r_method, r_path, true);
	
	if (r_method.toLowerCase() == "post")
	{
		
		Request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8");
		
		Request.send(r_args);
	}
	else
	{
		
		Request.send(null);
	}
	
}



function GetXMLFile(filename, handler)
{
	SendRequest("GET", filename, "", handler);
}