##INSTALL

sudo apt-get install matchbox x11-xserver-utils unclutter midori

vi presentation.sh

#!/bin/sh  
unclutter &  
matchbox-window-manager & :  
xset -dpms  
xset s off  
while true; do  
/usr/bin/midori -e Fullscreen -a /home/pi/chart.html  
done  

chmod 755 presentation.sh

sudo vi /etc/rc.local

su -l pi -c "xinit /home/pi/presentation.sh"

sudo dpkg-reconfigure x11-common
set to "anybody"