I know this thread is old and you only have these two posts but I can't help but think the screenname purplestar sounds familer
either way I too have ibs. I can't leave the house save for Dr.'s apt. and a holiday here and there.
I hope the mod's don't mind but in the spirit of the site I must let you know of ibsgroups.org it's helped me.

peace.

Life is but a memory on the breath of a dying man.