'px' parameter for OpenLayers.Pixel.offset and OpenLayers.Pixel.equals can be either a Pixel or a simple javascript object. 'sz' parameter for OpenLayers.Size.equals can be either a Size or a simple javascript object.
'px' parameter for OpenLayers.Pixel.offset and OpenLayers.Pixel.equals can be either a Pixel or a simple javascript object. 'sz' parameter for OpenLayers.Size.equals can be either a Size or a simple javascript object.