To change the mouse actions:
Choose the Edit Session Profile option from the Options menu. Then choose
the Mouse category.
Here you can change all mouse features except for the left Mouse Button
which is reserved for pointing to and selecting text.
The Mouse category appears.
Select the mouse button combination that you wish to change from the Mouse
Options list box.
Select one of the mouse functions in the Functions list box.
Click on the Set button to set the association.
When you have completed your changes, select OK to accept the changes or
Save to save the options permanently to a profile.