var http_request = false;

    function ajax(url) {

        http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Oooops :( No foi possvel criar uma requisio XMLHTTP');
            return false;
        }
        http_request.onreadystatechange = alertContents;
        http_request.open('GET', url, true);
        http_request.send(null);

    }

	function alertContents() {
	//alert(http_request.status);
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
            	//alert(http_request.responseText);

				if(http_request.responseText == '&atualizarHome;'){
					window.location.href='?assistir=true';
				}else{
					if(http_request.responseText == '&desatualizarHome;'){
						window.location.href='?';
					}else{
					 	document.getElementById('restTransmissao').style.display = 'block';
               			document.getElementById('restTransmissao').innerHTML = http_request.responseText;
					}
				}

            } else {
				if(document.getElementById('alerta')){
					document.getElementById('restTransmissao').style.display = 'none';
				}
                //alert('Ouve um problema ao carregar seus dados.\n\n Erro:' + http_request.status+ '\n\n ');
            }
        }

    }