background-image | NN 4 IE 4 CSS 1
| Inherited: No
Sets the background image (if any) for the element. If you set a background-color for the element as well, the color appears if the image fails to load; otherwise, the image overlays the color. Transparent pixels of the image allow a background color to show through. See also the background-attachment attribute.
CSS Syntax
    background-image: uri | none
Value
To specify a URL, use the url( ) wrapper for the attribute value. You can omit the attribute or specify none to prevent an image from loading into the element's background.
Initial Value
none
Example
    h1 {background-image: url(watermark.jpg)}
Applies To
All elements.
Object Model Reference
    [window.]document.getElementById("elementID").style.backgroundImage