function GetXmlHttpObj()
{
  var xmlHttp=null;
  try
    {
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
      }
    }
  return xmlHttp;
}

function goCONCURS(mi)
 {
     xmlHttp1=GetXmlHttpObj()
     if (xmlHttp1==null)
        {  alert ("Your browser does not support AJAX!");  return;  } 
     var url="timer_concurs.php?mi="+mi+"&sid="+Math.random();
     xmlHttp1.onreadystatechange=cRespConcurs;
     xmlHttp1.open("GET",url,true);
     xmlHttp1.send(null);
	 return false;
 }
 
function cRespConcurs()
 {
  if (xmlHttp1.readyState==4)
   {
     s=xmlHttp1.responseText;
	 var p=s.split("###");
	 for( var i =0; i <p.length; i++)
	 	{
			q=p[i].split("@@@");
			if(q[0].length>30) alert(s);
			document.getElementById(q[0]).innerHTML=q[1];
		}
	txt=document.getElementById("ctx").innerHTML;
	txt=txt.split("***");
   }
 }