var xmlHttp;

function Atualiza() {
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null) return false;
  var d=new Date();
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET","http://www.livemix.com.br/includes/playlist.php?"+d.getTime(),true);
  xmlHttp.send(null);
}

function stateChanged() { 
  if (xmlHttp.readyState==4) {
     var Conteudo=xmlHttp.responseText;
     var Tempo=Conteudo.substring(0,3);
     document.getElementById('noar').innerHTML=Conteudo.substring(3);
     setTimeout("Atualiza()",Tempo*1000);
  }
}

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