of "submit" becomes the "value" property of the button (and thus its label).
If "confirm" is specified, the button will have an onclick handler that
displays the value of "confirm" in a popup message box and asks the user to
of "submit" becomes the "value" property of the button (and thus its label).
If "confirm" is specified, the button will have an onclick handler that
displays the value of "confirm" in a popup message box and asks the user to