var dominio="http://"+document.domain;
function getHTTPObject() {
  var xmlhttp;
 
  if(window.XMLHttpRequest){
    xmlhttp = new XMLHttpRequest();
  }
  else if (window.ActiveXObject){
    xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    if (!xmlhttp){
        xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
    
}
  return xmlhttp;

  
}
var http = getHTTPObject(); //



        var url = dominio+"/contador.php?varjs="+varjs; 
	   function handleHttpResponse() {	
		if (http.readyState == 4) {
			  if(http.status==200) {
			  	var results=http.responseText;
			  document.getElementById('contador_vistas').innerHTML = results;
			  }
  			}
		}
		
	    function requestCustomerInfo() {      
            http.open("POST", url , true);
			http.onreadystatechange = handleHttpResponse;
			http.send(null);
			//setTimeout (requestCustomerInfo, 3000);
        }


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