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=="tshm" && password=="thebigpicture") { window.location="image_download.shtm"; done=1; }
if (username=="kevin" && password=="tshm") { window.location="image_download.shtm"; done=1; }
if (username=="member3" && password=="password3") { window.location="page3.html"; done=1; }
if (done==0) { alert("Invalid login!"); }
}
Guess what? It's unencrypted and found in the source of the login page.