I agree with BillyRay,
Also, you should not rely on people's email client to send an email. Its bad practice, and if its not present, or not configured, no email is sent.
Also this is more of a Javascript question, since you are using Javascript to perform the actions for your buttons. So you might want to ask there:
forum216.
but again as BillyRay pointed out, why not use real anchors.
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Ignorance is not necessarily Bliss, case in point:
Unknown has caused an Unknown Error on Unknown and must be shutdown to prevent damage to Unknown.