function getXmlHttpRequestObject() {
  var xmlHttp;
  // this should work for all browsers except IE6 and older
  try {
    // try to create XMLHttpRequest object
    xmlHttp = new XMLHttpRequest();
  }
  catch(e) {
    // assume IE7 or older
    var XmlHttpVersions = new Array(
			"MSXML2.XMLHTTP.7.0",
			"MSXML2.XMLHTTP.6.0",
			"MSXML2.XMLHTTP.5.0",
			"MSXML2.XMLHTTP.4.0",
			"MSXML2.XMLHTTP.3.0",
			"MSXML2.XMLHTTP",
			"Microsoft.XMLHTTP");
    // try every prog id until one works
    for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) {
      try { 
        // try to create XMLHttpRequest object
        xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
      } 
      catch (e) {}
    }
  }
  // return the created object or display an error message
  if (!xmlHttp)
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}

var xmlhttp = getXmlHttpRequestObject();

function toggleQAs(listid,page) {
	if (xmlhttp.readyState == 4 || xmlhttp.readyState == 0) {
		xmlhttp.open('GET','/includes/listqas.php?page=' + page,true);
		
		var listd = document.getElementById(listid);

		xmlhttp.onreadystatechange = function(){
			if (xmlhttp.readyState == 4) {
				if (xmlhttp.status==200){
					listd.innerHTML = xmlhttp.responseText;
				}
				else {
					alert("Problem retrieving XML data:" + xmlhttp.statusText)
				}
			}
		}
		xmlhttp.send(null);
	}
}