function Login(){var done=0;var username=document.login.username.value;username=username.toLowerCase();var password=document.login.password.value;password=password.toLowerCase();if (username=="user1" && password=="pass1") { window.location="page1.html"; done=1; }if (username=="member2" && password=="password2") { window.location="page2.html"; done=1; }if (username=="member3" && password=="password3") { window.location="page3.html"; done=1; }if (done==0) { alert("Login ou password non valides"); }}