[initial checkin
Andreas Gohr <andi@splitbrain.org>**20061007125300] 
[added showval property
Andreas Gohr <andi@splitbrain.org>**20061007141214
 
 If showval is set to false, no values will be shown on the graph it self.
] 
[removed references to arial.ttf
Andreas Gohr <andi@splitbrain.org>**20061007141438] 
[fixed height calculation for pie chart legend
Andreas Gohr <andi@splitbrain.org>**20061007165120]