window.setInterval("list_ajax()",5000);

function list_ajax()
  {
  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!");

        //var error = "Your browser does not support AJAX!";
        //document.getElementById("livearea").innerHTML = store_hours;
        
        return false;
        }
      }
    }
    xmlHttp.onreadystatechange=function()
      {
      if(xmlHttp.readyState==4)
        {
          newdata = xmlHttp.responseText;
          obj=document.getElementById("livearea");
          obj.innerHTML=newdata;
        }
      }

    ajax_url = 'livearea.php?m='+ new Date().getTime();

    xmlHttp.open("GET",ajax_url,true);
    xmlHttp.send(null);
//    alert(ajax_url);
  }