BgColorThe applet background-color, which will also be the button's color.
HighlightThe color of the button's highlighted (brighter) edges.
ShadowThe color of the button's shadowed (darker) edges.
GrayImageLocation & name of the image shown when the button is unfocussed.
ColorImageLocation & name of the image shown when the button is focussed.
TextThe text label to appear on the button.
TextColorThe color of the text when unfocussed.
TextFocusColorThe color of the text when focussed.
FontNameThe font for the button-label.
FontSizeDefault size for label-text (shrinks when button is pressed).
FontStyle0, 1, 2 or 3 for Plain, Bold, Italic or Bold/Italic.
URLRelative or absolute URL to link to when clicked.
TargetFrame or window in which to open the file.
MessageText to display in the status-bar when the mouse passes over the button.