Something

function ajaxReq(q_id, pos, dir) 
 {


  var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
       document.getElementById("container").innerHTML = xmlHttp.responseText;
       //alert(xmlHttp.responseText);
        }
      }
    xmlHttp.open("GET","../proc.php"+'?ques_id='+q_id+'&pos='+pos+'&dir='+dir	 ,true);
    //xmlHttp.open("GET", "../procs.php", true);
    xmlHttp.send(null);
    //alert("Question ID :: "+q_id+"\nPosition :: "+pos+"\nDirection :: "+dir);
  }