Convert HTML to XAML
I don't think it's possible to do an exact conversion from HTML to XAML, because there isn't a one to one equivalence between the two.
There are a few tools that may help you, but don't expect a perfect result :
http://msdn.microsoft.com/en-us/library/aa972129.aspx
http://windowsclient.net/downloads/folders/controlgallery/entry2313.aspx