Delete existing toolbar buttons, if present
To delete the existing toolbar buttons in the user's browser, select this check box.
Add
You can add custom toolbars that run scripts or executable files. When you click Add, you will be prompted for more information, such as the icon, caption, and action for the button to perform.
Toolbar caption (required)
You must specify a caption, or label, that will appear underneath the button when the user displays both the text and the icon on toolbar buttons. The maximum recommended size is 10 characters.
Toolbar Action, as script file or executable (required)
You must specify the script or executable file that will run when the user clicks the toolbar button.
Toolbar color icon (required)
You must specify a color icon that will appear on the toolbar buttons. The icon consists of 20-pixel-by-20-pixel images for active and inactive states. For more information, see the Microsoft Site Builder Network Workshop.
Toolbar grayscale icon (required)
You can specify a grayscale icon for the toolbar that will display on black-and-white monitors.
This button should be shown on the toolbar by default
Select this check box to enable the toolbar button you've specified to be shown in the user's browser by default.