function imgs( url )
{
    //alert( url );
    req = null;
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET",url,true);
        req.send(null);
    }else if (window.ActiveXObject){
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req){
            req.onreadystatechange = processReqChange;
            req.open("GET",url,true);
            req.send('<img src="js/carregador.gif" width="128" height="15" border="0">');
        }
    }

function processReqChange()
{
    if (req.readyState == 4) {
        if (req.status ==200) {
            document.getElementById('imagem').innerHTML = req.responseText;
        }else{
            alert("Houve um problema ao obter os dados:n" + req.statusText);
        }
    }
}
	
}