1) What Zoommap is design for?
This component show an image larger than the size of the browser window. It propose functionality to scroll and zoom the image.
It's specially design to visualize a map or a card. A printing function allow to show an image with the piece of the map visualize and some information attached to the image.
2) How to use Zoommap?
To scroll the image, simply clic on and move the mouse.
A little hand show you when you caught the image to scroll it.
A function allow to show or hide the holder, clic right with your mouse, use
the key 'S' or clic on the 
in top right of the holder.
Key 'P' or icon 
show you a page ready for printing.
There is three zoom functions, more zoom (icon 
or key 'M'), less zoom (icon 
or key 'L') and initial size (icon 
or key 'I').
This component developt by Antoine
GEORGEVAIL is based on the very good example made by Bob Basque and
Toby Folwick Map_with_scrollbox_Modem.htm.
It is based on the well known DynAPI2.
My site
show examples of use for this component, you can freely download every examples.