vertical/horizontal scrolling

==========
In 10.04: Sytesm -> Preference -> Mouse  - check "Enable horizontal scrolling"

before 10.04:
gksu mousepad /etc/hal/fdi/policy/shmconfig.fdi
add the xml configuration
<deviceinfo version="0.2">
 <device>
  <match key="input.x11_driver" string="synaptics">
   <merge key="input.x11_options.SHMConfig" type="string">True</merge>
   <merge key="input.x11_options.VertEdgeScroll" type="string">1</merge>
   <merge key="input.x11_options.HorizEdgeScroll" type="string">1</merge>
  </match>
 </device>
</deviceinfo>

REBOOT: sudo init 6