function createRequestObject_Video()
{
	var request = false;
    try
    {
        // Mozilla/Safari
        if (window.XMLHttpRequest)
        {
            request = new XMLHttpRequest();
        }
        // IE
        else if (window.ActiveXObject)
        {
            request = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    catch (e)
    {
        alert(e);
    }
    if(!request )
    {
        alert("Impossibile creare l'oggetto XHR.");
    }
    return request;
}

var http_Video = createRequestObject_Video();

function getCurrVideo(pag)
{
    /* NO FORM, MANDA CONTENUTO PASSATO COME PARAMETRO VIA GET */
    http_Video.abort();
    http_Video.open('GET', '/cm/inc/get_Video_tab'+pag+'.asp?art='+art+'&tags='+tags, true);
    http_Video.onreadystatechange = handleResponse_Video;
    http_Video.send(null);
}

function handleResponse_Video()
{
    if(http_Video.readyState == 4)
    {
       document.getElementById("contVideo").innerHTML = http_Video.responseText;
    }
}

getCurrVideo(1);