Get flash to fully experience Pearltrees
The Like button is a simple plugin that will let people quickly share content with their friends on Facebook. When someone clicks on a Like button on a site, a connection is created in the Graph between the content and that person: an Open Graph Like action will be published, and stories will appear on that person's timeline and their friends' news feeds. This story will link back to the site and drive distribution of content. The story created by the Like action can be enriched by using meta tags to turn a simple HTML page into an Open Graph object .
This plugin lets you create a two-layer button with one layer that follows the mouse. This method allows you to create some very professional effects on your site. The example below duplicates the Windows 7 start bar button hover functionality. outerImage (string - image location):