To use this client, you must first be authorized.
If you can't login, you may not be authorized in which case,
it stinks to be you... Now, some useful information:
In some cases, Windows' focus doesn't get shifted to the java
window. To force focus to the Java SSH window, just click
anywhere in the window. You may also chage colors by clicking on
Terminal and then Background and Foreground. You should also be
able to resize the window to something more suitable (I.e.: prevent
onlookers from reading over your shoulder, etc.