function login()
{
    var username = document.getElementById(this.id + "-username").value;
    var password = document.getElementById(this.id + "-password").value;
    var usuariostorage = localStorage.getItem("usuario");
    var http = getHTTPObject();
	//var url = "http://" + username + ":" + password + "@" + this.action.substr(7);
	var url = this.action;
	if (navigator.onLine) {
		 http.open("get", url, false, username, password);
    http.send("");
	if (http.status == 200) {

		localStorage.setItem("logado", "1");
		localStorage.setItem("usuario", username);
		document.location = 'dashboard.html';

	} else if (username == usuariostorage) {
			localStorage.setItem("logado", "1");
			document.location = 'dashboard.html';
		} else {
			alert("Usuário ou senha inválidos!");
	}
}

    return false;
}