You *don't* call the function that you pass to setOnLoadCallback. That's the whole point. :) That function is called automatically when the google packages finish loading. It is called without any input parameters.
Try taking the examples in the API playground and working with them and you'll see how it works. best, -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To post to this group, send email to google-visualization-api@googlegroups.com. To unsubscribe from this group, send email to google-visualization-api+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.