I don't believe the API supports this, but a workaround is described in the following discussion:
http://groups.google.com/group/google-chart-api/browse_thread/thread/2435e89a9209b19c/ Good luck, K --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Chart API" group. To post to this group, send email to google-chart-api@googlegroups.com To unsubscribe from this group, send email to google-chart-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-chart-api?hl=en -~----------~----~----~----~------~----~------~--~---
