Parameters
BgColor
The applet background-color, which will also be the button's color.

Highlight
The color of the button's highlighted (brighter) edges.

Shadow
The color of the button's shadowed (darker) edges.

GrayImage
Location & name of the image shown when the button is unfocussed.

ColorImage
Location & name of the image shown when the button is focussed.

Text
The text label to appear on the button.

TextColor
The color of the text when unfocussed.

TextFocusColor
The color of the text when focussed.

FontName
The font for the button-label.

FontSize
Default size for label-text (shrinks when button is pressed).

FontStyle
0, 1, 2 or 3 for Plain, Bold, Italic or Bold/Italic.

URL
Relative or absolute URL to link to when clicked.

Target
Frame or window in which to open the file.

Message
Text to display in the status-bar when the mouse passes over the button.