function pedir_numero_visitas()

{

	url = "pedir_numero_visitas.php";

	if (window.XMLHttpRequest)

	{

	    req = new XMLHttpRequest();

	    req.onreadystatechange = processReqVisitas;

	    req.open("GET", url, true);

	    req.send(null);

	}

	else if (window.ActiveXObject)

    {   isIE = true;

        req = new ActiveXObject("Microsoft.XMLHTTP");

        if (req)

        {   req.onreadystatechange = processReqVisitas;

            req.open("GET", url, true);

            req.send();

        }

    }

}



function processReqVisitas()

{

    if (req.readyState == 4)

    {

        if (req.status == 200)

        {

			response  = req.responseText;
			

			document.getElementById('numero_visitas').innerHTML=response;

        }

        else

        {

            pedir_numero_visitas();

        }

    }

}