var xmlHttp

function getNewContents(str)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null){
  alert ("Your browser does not support AJAX!");
  return;
}

//if(str == 'ad') {
//  var element=document.getElementById('gad');
//} elseif(str == 'cat') {
//  var element=document.getElementById('cat');
//} else {
  var element=document.getElementById('daily');
//}
var url="getny.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
element.innerHTML = '<br><br><span><em>Loading ...</em></span>';
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=function(){
  if (xmlHttp.readyState==4){ 
    element.innerHTML=xmlHttp.responseText;
  }
}
xmlHttp.send(null);
}

function hideDailyUpdateList(str)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null){
  alert ("Your browser does not support AJAX!");
  return;
}

var element=document.getElementById('daily');

var url="getny.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
element.innerHTML = '<br><br><span><em>Loading ...</em></span>';
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=function(){
  if (xmlHttp.readyState==4){ 
    element.innerHTML=xmlHttp.responseText;
  }
}
xmlHttp.send(null);
}

function getNewsFeed(str)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null){
  alert ("Your browser does not support AJAX!");
  return;
}

var element=document.getElementById('newsfeedcontents');

var url="getny.php";
url=url+"?q=newsfeed&feedid="+str;
url=url+"&sid="+Math.random();
element.innerHTML = '<br><br><div align="center"><em>正在加载 Loading ...</em></div>';
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=function(){
  if (xmlHttp.readyState==4){ 
    element.innerHTML=xmlHttp.responseText;
  }
}
xmlHttp.send(null);
}


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;
}