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 ulogin() {
	var login = document.uloginform.login.value;
	var pass = document.uloginform.pass.value;
	
	if (login == "" || pass == "") {
		document.getElementById('validhandler').innerHTML = '<img src=\"img/img-res/stop.gif\" width=\"16\" height=\"16\" /> <span class=\"real-red\"> Veuillez remplir tous les champs...</span>';
		return false;
	}
	document.getElementById('validhandler').innerHTML = '<img src=\"img/img-res/ajax-loader.gif\" width=\"16\" height=\"16\" /> Authentification en cours...';
    http.open('get', 'sr_ulogin.php?login='+login+'&pass='+pass+'&action=send');
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
        var update = new Array();

        if(response.indexOf('|' != -1)) {
			if(http.responseText == 'vad') {
				window.location='index.php';
				}
			else {
            	document.getElementById('validhandler').innerHTML = http.responseText;
			}
        }
    }
}