var xmlHttp


var t = 1 ;

function showHint(x)
{
if(typeof(t) == 'number'){clearTimeout(t);}

	type =  document.getElementById("type").value;
	id_car =  document.getElementById("id_car").value;
	risk =  document.getElementById("risk").value;
	
	if(x == "x") 	subm =  document.getElementById("submit").value;
	else subm = 0;

	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	  {
	  alert ("Your browser does not support AJAX!");
	  return;
	  } 
	var url="liveracing/gethint.php";
	url=url + "?type=" + type + "&id_car=" + id_car + "&risk=" + risk+ "&submit=" + subm;
	
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	
	t = setTimeout('showHint()', 55000);


} 

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

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;
}