sorry to post in this section, I cant locate where to post ajax problem. I search all over the forum about this problem and I cant see an answer.. here is my problem

I've got a form where where there is a selectbox to choose a type of form if its a textbox or an variable textinput , if you choose the textbox on the selectbox it will be call by ajax code and show the output on the same page under the selectbox, take note the new textbox will also be part of the form when submitted it, there is no problem on my ajax where to call a output of the selectbox.... when you submit it in IE it includes the output that I call on the ajax but in firefox it didnt work, is there any problem in my ajax code or this type of submission are not allowed in firefox, click this link to see the example