Paolo has asked at Dave Hyatt's request, that Safari recognize a parameter in the textarea field to enable a native WYSIWYG editor. Not a bad idea, but you'll need an element with parameters and not a single parameter if you want to satisfy everyone's needs. You'll also have to agree on the return format of WYSIWYG editors including simple items such as CSS versus FONT tags and what additional tags are supported.

In the meantime, replace your TEXTAREA fields with an object.