var xmlhttpora = createXmlHttpRequestObjectora();
dataora();
function createXmlHttpRequestObjectora() 
{
  
  var xmlHttp;
 
  
  try
  {
    // try to create XMLHttpRequest object
    xmlHttp = new XMLHttpRequest();
  }
  catch(e)
  {
    // assume IE6 or older
    var XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0",
                                    "MSXML2.XMLHTTP.5.0",
                                    "MSXML2.XMLHTTP.4.0",
                                    "MSXML2.XMLHTTP.3.0",
                                    "MSXML2.XMLHTTP",
                                    "Microsoft.XMLHTTP");
    
    for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++) 
    {
      try 
      { 
        
        xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
      } 
      catch (e) {}
    }
  }
  
  if (!xmlHttp)
    alert("Error creating the XMLHttpRequest object.");
  else 
    return xmlHttp;
}


function dataora()
{
	
	if((xmlhttpora.readyState == 4) || (xmlhttpora.readyState == 0))
	{
		
		rnd = Math.random()*12345;
		xmlhttpora.open("GET","tempo/dataora.php?rnd=" + rnd,true);
		xmlhttpora.onreadystatechange=handlexmlora;
		xmlhttpora.send(null);
		
	}
	
}



function handlexmlora()
{
	if (xmlhttpora.readyState == 4)
	{
		
		if(xmlhttpora.status == 200)
		{
			document.getElementById("dataora").innerHTML = xmlhttpora.responseText;
			setTimeout('dataora()',60000);
		}
		
			
	}
}