var req;

function cargaXML(url) {
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
        }
    }
	req.open("GET", idioma+"/"+url, true);
    req.send(null);
}

function processReqChange(){
    var detalles = document.getElementById("content");

    if(req.readyState == 4){
        detalles.innerHTML = req.responseText;
    } else {
        detalles.innerHTML = '<img src="images/loading.gif" align="absmiddle" /> Carregant...';
    }
}