object.setBackgroundImage: Set the background image for the object
object.setBackgroundColor: Set the background color for the object.
object.setBackgroundImage(filePath)
object.setBackgroundColor(color)
filePath
See the filePath paragraph in Styles
color
§ the color, in browser compatible format (hexa RGB or color code)
§ '' (empty string), null or false: No color is set to the object that will be transparent.
The setBackgroundImage used as a ButtonStyle method is an alternative to setImageNormal, setImageRoll, … when always the same image is required.
However there are some differences: The image will be tiled and cannot be positioned at a certain place. It acts as a background image as set for in a HTML <BODY> tag and not as set in a HTML <ING> tag.