The blue one looks like common dog violet? If it is, then the white ones you are seeing in your friends garden are probably either Sweet violet or Hairy violet.
Does the white flower in the next photo grow as a single stalked flower or multiple flowers on a stem?
I like the new camera.
Chris
Try this page for the white one.
http://tinyurl.com/6ob4jg
The first one is Veronica Chamaedrys, Germander Speedwell, (Veronique petit chêne).
The second one is Scilla verna, Spring squill, (Scille printanière).
That will be 10€ please.
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