This is the main content.

This design is based on the article "In Search of the Holy Grail" by Matthew Levine

The center column of this example design is supposed to contain the actual page content.

This is the left sidebar.

For the sake of the tutorial, let's assume that this is the place where your overall site navigation resides.

This is the right sidebar.

In this column, the Coppermine menu is supposed to reside.