Instructions for the map:

Zoom in:
Click once in the map to zoom in centered or drag a box over the particular area.
Zoom out:
Click once in the map.
Zoom to a map section:
Choose a map section from the list of bookmarks.
Back to original view.
Fullscreen mode.
Go back to previous extent - Go to next extent
Click on the map to display data.
Panning:
Click in the map, hold down the mouse button, and drag in any direction.
 

Instructions for the map of content:

Turns theme on or off.
Theme hidden due to scale.
Brings up the attribute table for the layer.
 

Instructions for the overview map:

Drag rectangle to change extent in map.
 

Other Tools:

Turns coordinate read-out on or off.
Move cursor over the map. The coordinates are displayed in the browser status bar or in the textbox.
Turns measure tool on or off.
Use the mouse to draw a line representing the distance you wish to measure. The line can have one or more line segments. Double-click end the line. The length you measured is displayed in the browser status bar or in the textbox.