Allow Copy/Paste in a disabled input text box in Firefox browsers

Question

I have a input text box disabled:

In IE and in Chrome you can copy and

Answer 1

Refer to my post to the same question. It does the following:

1. Makes the textbox just like readonly without using the readonly attribute on the input tag, but will honor tab index and set focus
2. Supports all clipboard functions win and mac with mouse or keyboard
3. Allows undo, redo and select all

Restrict HTML input to only allow paste