var xmlhttp;
function subsThread(thread,act) {
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  }
	//alert(thread+" --- "+act)
	url="ajax/subs.php";
	url=url+"?thread="+thread+"&act="+act;
	url=url+"&sid="+Math.random();
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function stateChanged() {
if (xmlhttp.readyState==4)
  {
  //document.getElementById("txtHint").innerHTML=xmlhttp.responseText;
  }
}

function GetXmlHttpObject() {

if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}