How to "roll up" the window?
Run in terminal:
gconftool-2 -s -t string /apps/gwd/mouse_wheel_action shade
This will fix it on Ubuntu 11.10 for those using Unity.
Use Ubuntu-Tweak to do this:
For instructions on how to install Ubuntu-Tweak: How do I install Ubuntu-Tweak?
If you are using GNOME Shell, install gnome-tweak-tool :
sudo apt-get install gnome-tweak-tool
Then launch it, go to Windows and set up whatever you want.
