Just thought i'd follow up on this with my results... Brian Cummiskey wrote: > In firefox, it works perfect the first time and every subsequent click > adds another item. > > Ie ie6 and ie7, it works perfect the FIRST time it gets clicked, adding > the item. > the 2nd and subsequent clicks, nothing happens. > > Turns out, IE caches GET requests, which causes the 2nd try to not do anything. I had to run a browser check, and send IE with a POST, and all other browsers with a GET.