OpenLayers.Control.PanZoom Creates a small toolset for controlling the location of the map with panning and zooming, including four directional arrows, a zoom in and zoom out, and one button which zooms to the max extent of the map. * Constructor OpenLayers.Control.PanZoom({Object|options}) -- Creates a new panzoom control. * Parameters slideFactor -- Number of pixels by which to slide the map when a pan arrow is clicked.