You can launch the Organize Favorites dialog box from code in Internet Explorer 5.0, through the window.external.ShowBrowserUI method. This method takes two arguments: the name of the dialog to launch (in this case, "OrganizeFavorites") and an explicit null value that is provided for future compatibility. The ShowBrowserUI can also launch the Language Preference dialog box ("LanguageDialog") in the same manner:
<button onclick="window.external.ShowBrowserUI('OrganizeFavorites',null)">
Organize Your Favorites</button>
<button onclick="window.external.ShowBrowserUI('LanguageDialog',null)">
Set Your Language Preferences</button>