Just noticed that when I view my forum in Firefox as an iFrame it doesn't show the 100% height attribute, just [small] fixed height. Any work arounds that you know of? Needless to say it's fine in normal view i.e. without iFrames.
version used: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.7.5) Gecko/20041110 Firefox/1.0