function request_page(call_url)
{
	xmlHttp=GetXmlHttpObject();

	if(xmlHttp == null)
	{
		document.getElementById("object_list").innerHTML = "Browser does not support HTTP Request";
		return;
	}

	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("POST", call_url, true);
	xmlHttp.send(null);
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("object_list").innerHTML = xmlHttp.responseText;
	} 
}