var http = false;

if(navigator.appName == "Microsoft Internet Explorer") {
	http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
	http = new XMLHttpRequest();
}

function updateTwitterFeed(pageNo) {

	
	http.open("GET", "runtwitter.php?page=" + pageNo, true);
    http.onreadystatechange=function() {
        if(http.readyState == 4) {
          document.getElementById('twitter').innerHTML = http.responseText;
        } else {
        }
      }
      http.send(null);
     

    }