var xmlHttpfunction showNewsByYear(url){    xmlHttp=GetXmlHttpObject();    if (xmlHttp==null)    {         alert ("Your browser does not support AJAX!");         return;    }         var n = window.document.forms[0].yearsSelections.selectedIndex;            var textVal = window.document.forms[0].yearsSelections[n].text;        url = url + "&year="+ textVal ;    //alert (url);    xmlHttp.onreadystatechange=stateChanged;    xmlHttp.open("GET",url,true);    xmlHttp.send(null);} function stateChanged() {     if (xmlHttp.readyState==4)    {        //alert( xmlHttp.responseText);       document.getElementById("content").innerHTML= xmlHttp.responseText;    }}function GetXmlHttpObject(){    var xmlHttp=null;    try    {       // Firefox, Opera 8.0+, Safari       xmlHttp=new XMLHttpRequest();    }    catch (e)    {      // Internet Explorer      try      {         xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");      }      catch (e)      {         xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");      }    }    return xmlHttp;}