The verb to display on the button. Options: 'like', 'recommend'.

Gets or sets the color scheme.

The font to display in the button. Options: 'arial', 'lucida grande', 'segoe ui', 'tahoma', 'trebuchet ms', 'verdana'.

Set this to to ignore checking whether the Facebook JavaScript SDK component exists on the page or not.

Gets or sets the layout style.

A label for tracking referrals; must be less than 50 characters and can contain alphanumeric characters and some punctuation (currently +/=-.:_). The ref attribute causes two parameters to be added to the referrer URL when a user clicks a link from a stream story about a Like action:fb_ref - the ref parameter fb_source - the stream type ('home', 'profile', 'search', 'other') in which the click occurred and the story type ('oneline' or 'multiline'), concatenated with an underscore.

Gets or sets the render mode. There are two Like button implementations: XFBML and Iframe. The XFBML (also available in HTML5-compliant markup) version is more versatile, but requires use of the JavaScript SDK. The XFBML dynamically re-sizes its height according to whether there are profile pictures to display, gives you the ability (through the Javascript library) to listen for like events so that you know in real time when a user clicks the Like button, and it always gives the user the ability to add an optional comment to the like. If users do add a comment, the story published back to Facebook is given more prominence.

Specifies whether to include a Send button with the Like button. This only works with the XFBML version.

Specifies whether to display profile photos below the button (standard layout only).

Gets or sets the URL to like. The XFBML version defaults to the current page.

The width of the Like button.