>(1) And - http://msdn.microsoft.com/en-us/library/sdbcfyzh.aspx
>Evaluatates all expressions, you can use side-effects
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>If ( ( x   > 1) And MyFunction()) )
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>MyFunction() will be called regardless of whether x > 1 or not
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>(2) AndAlso - http://msdn.microsoft.com/en-us/library/cb8x3kfz.aspx
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>Is said to use short-circuiting and stops evaluating as soon as it finds that it has processed sufficient parts of the expression to know the result
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>If ( ( x  > 1) AndAlso MyFunction()) )
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>if x less or equal to 1, then MyFunction() will not be called

Very good, thanks