Resize windows like MS Windows

Hi,

I'd like to resize the windows like it is done in MS Windows 7 and 
above.

For now I have this:

Mod4 Up :Maximize
Mod4 Left :MacroCmd {ResizeTo 638 100%} {MoveTo 0 * Left} 
{MaximizeVertical}
Mod4 Right :MacroCmd {ResizeTo 638 100%} {MoveTo 0 * Right} 
{MaximizeVertical}
Mod4 Down :ResizeTo 638 50%

But it would be nice to have `Mod4 Down` to resize and move the window 
back to its original size and position.

Any ideas?

Kind regards
Thomas

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