print $query->image_button(' name ',' url ' [,' align '])
Generates a clickable image map.
The name to use. When clicked, the x,y position is returned as name.x and name.y , respectively.
The URL of the image for the image map.
The alignment type. May be TOP, BOTTOM, or MIDDLE.
Using named parameters, the syntax is:
print $query->image_button(-name=>' name ', -src=>' url ', -align=>' align ', -onClick=> function );
Browser should execute function when the user clicks on the image.