How about using Alt-Tab to switch between apps?
I've found that the "Stay on top" feature is very buggy, and works when you don't want it to or puts things there that you don't need. My workaround has been to use multiple monitors if possible. Then you can keep your text app running in one monitor and the "work" in the other.
Originally Posted by Tado
If that is not possible then I use Alt-Tab to scroll through open applications. Once you have the two or three apps your working in open, using Alt-Tab to switch between them, this will keep the most recently accessed applications as the first ones available.
I use and love Notepad++. It is feature rich, and has a small learning curve, and it is open source and free, with a lot of plug-ins for different uses such as programming, outlining, etc.
Good luck with this...