It has been interesting  reading all these posts.  Excessive sweating is a "problem" more common than many people realize.  As a personal trainer in the habit of frequenting gyms, I can attest to that!  Here are some addition notes that might be of interest.
http://ezinearticles.com/?Excessive-Sweating:-Why-Do-Some-People-Sweat-In-Excess?&id=5640038
http://www.articlebiz.com/article/512523-1-why-some-people-sweat-excessively/