Dialog.confirm($('login').innerHTML, {className:"alphacube", width:400,
okLabel: "Submit", cancelLabel: "cancel",
onOk:function(win){
$('login_error_msg').innerHTML='Incorrect Email Format';
$('login_error_msg').show();
Windows.focusedWindow.updateHeight();
new Effect.Shake(Windows.focusedWindow.getId()); return false;}});