You can hide buttons, but the table row will be there... empty

I want to hide that <tr>
I'll post some screenshots
1) Normal (without doing any actions)
http://i41.tinypic.com/sq6ttv.png
2) After doing an action
http://i41.tinypic.com/2s80il2.png
3) After reloading page
http://i44.tinypic.com/wbe6mb.png
So... i need some easy jquery trick to after making an action, hides the empty tr and display the missing tr