Adds line numbers to embedded gists

gists-add-linenumbers.js

function addLineNumbersToAllGists() {
  jQuery('.gist').each( function() {
     _addLineNumbersToGist('#' + jQuery(this).attr('id'));
  });
}

function addLineNumbersToGist(id) {
  _addLineNumbersToGist('#gist-' + id);
}

function _addLineNumbersToGist(css_selector) {
  jQuery(document).ready( function() {
    jQuery(css_selector + ' .line').each(
      function(i, e) {
      jQuery(this).prepend(
        jQuery('<div/>').css({
          'float' : 'left',
          'width': '30px',
          'font-size' : 'x-small',
          'font-weight' : 'bold',
          'color': '#808080'
        }).text(++i)
      );
    });
  });
}