Problem! Need Help Quickly!!!

[dcemuser]

I need to know which key toggles between the output screen and the programming "input?" screen. Here's my story:

I just wrote a pretty long program and saved about halfway through. Then, I ran it to test it. What I didn't notice was that I set a do...loop to never end! On accident :-[. So, I'm stuck at the output screen in a never-ending loop and I need to get to the program to fix it. Please hurry, it's due for homework TODAY BY 7:00 AM EST. :'(

[crossroads]

Press down CTRL and SCROLL LOCK keys  :D