This is a jQuery implementation of the AddThis widget that is available from http://AddThis.com.

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Usage:
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HTML
<a class="addthis"></a>

JS
$.addthis();
-or-
$.addthis('username');
where username is your AddThis username. Useful for tracking statistics.
-or-
$.addthis('username', opts);
Where opts are options, the following options are supported
  elem: the element to apply the "Add This" button to (default: a.addthis)
  btn_size: the size of the button to be displayed (large, small)
  url: the url to be shared (default: '[URL]')
  url_title: title of the url to be shared (default: '[TITLE]')
  
  example:
  $.addthis('john.doe', { elem: '#at_button', btn_size: 'small' });

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Version History:
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0.3 Removed element option and added options parameter
0.2 Added element option
0.1 Initial version, uses the basic options that allow you to put this on your site