function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReqEtAff(link) {
    http.open('get',link); 
    //http.overrideMimeType('text/html; charset=ISO-8859-15'); Fonctionne pas avec IE
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        eval(response);
        aff_info();
        aff_details();
    }
}