Here are some examples for Flot, the Javascript charting library for jQuery:
This example collects a lot of examples from various sources.
Main source is Flot Homepage from Ole Laursen.
Ole made a big job creating a Charting tool based on JQuery.
Based on the PlugIn option people like me got the chance to add their two cents to the project.
In examples you will not only find the standard from Flot. You will also find some examples from developer version
My own extensions are also available under JumWare. BTW, no, JUMWare is only my (more or less) nice name for my tools
under construction