Password of Email can Detect on Computer (Paint / Paint It).

Today, Friday, June 8, 2012. I'm  amazed (wonder = terheran)  when I check  the students  work  on Paint (It) software. Why? I find  my email address  and  password  show there. Wow.... why can show? It's risk  for  me  because  with  it the other  people  can  open the other  people  email.  The email address just  below: