var xmlNewsletterHttp

function displayNewsletter(year,month) {
	xmlNewsletterHttp=GetXmlHttpObjectNewsletter();
	if (xmlNewsletterHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	}
	var url = year + "_" + month + ".asp";
	xmlNewsletterHttp.onreadystatechange=stateChangedNewsletter;
	var f = document.getElementById('newsletter');
	f.style.display = 'block';
	xmlNewsletterHttp.open("GET",url,true);
	xmlNewsletterHttp.send(null);
	return false;
}


function stateChangedNewsletter() { 
	if (xmlNewsletterHttp.readyState==4) { 
		document.getElementById("newsletter").innerHTML=xmlNewsletterHttp.responseText;
	}
}

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