Note:
Executes outside the regular methods.
Returns true (successful) or false (failed).
Syntax:
controlRangeName.execCommand(param1, param2, param3)
objectName.execCommand(param1, param2, param3)
Parameters:
param1 Required; the name of the command.
see http://msdn.microsoft.com/workshop/author/dhtml/reference/commandids.asp.
param2 Optional; true or false, display a user interface
if the command supports one.
param3 Optional; only applies to some of the commands.