Tab in textarea

Ever being annoyed by not being able to type TABs (keycode 9) when editing textareas in your favorite cms? Well after some research, I seem to have found a solution - at least for the more popular browsers. If anyone has an idea how to get the current cursor position in khtml based browsers (safari, konqueror), please drop me a note. The below was tested on the Mozilla platform and with Internet Explorer 6.0. ...