Drill-down is the act of displaying more specific information about a series data points.
If a line series or bar series data point is clicked, a URL is loaded into the browser window,
bringing additional information. GraphApplet supports drill-down by means of the 'seriex_urls'
parameter, to which a list of URLs has to be given.
The applet below displays statistical information about most popular search engines audience,
as a result of a research conducted on a sample of web surfers in the USA and compiled on March 2002.
A mouse click on a bar brings the website of the respective search engine. For this demo to work there
must be an active Internet connection.