function doLogin() {
         document.login.hash.value = MD5(document.login.upasswd.value);
         document.login.upasswd.value = "";
         document.login.submit();
}
function doLogin2() {
         document.login2.hash.value = MD5(document.login2.upasswd.value);
         document.login2.upasswd.value = "";
         document.login2.submit();
}
function doLogin3() {
         document.login3.hash.value = MD5(document.login3.upasswd.value);
         document.login3.upasswd.value = "";
         document.login3.submit();
}