Remove Flash Tracking from AddThis module on Drupal 5

function _addthis_create_button($node=NULL, $teaser = FALSE) {
  global $addthis_counter;
  $addthis_counter++;
  if ($addthis_counter == 1) {
	  drupal_add_css((drupal_get_path('module', 'addthis') .'/addthis.css'));
	  drupal_add_js(sprintf('
	    addthis_pub = \'%s\';
	    addthis_logo = \'%s\';
	    addthis_logo_background = \'%s\';
	    addthis_logo_color = \'%s\';
	    addthis_brand = \'%s\';
	    addthis_options = \'%s\';
      addthis_disable_flash = true;
/*
	    addthis_offset_top = \'%d\';
	    addthis_offset_left = \'%d\';
*/
	',
	    variable_get('addthis_username', 'my-username'),
	    variable_get('addthis_logo', 'http://www.addthis.com/images/yourlogo.png'),
	    variable_get('addthis_logo_background', 'EFEFFF'),
	    variable_get('addthis_logo_color', '666699'),
	    variable_get('addthis_brand', 'Your Site'),
	    variable_get('addthis_options', 'favorites, email, digg, delicious, myspace, facebook, google, live, more'),
	    variable_get('addthis_offset_top', '2'),
	    variable_get('addthis_offset_left', '2')
	  ), 'inline');
  }
 
  return ( sprintf('
    <div class="addthis"><a href="http://www.addthis.com/bookmark.php"
      onmouseover="return addthis_open(this, \'\', \'%s\', \'%s\')"
      onmouseout="addthis_close()"
      onclick="return addthis_sendto()"><img src="%s" width="%d" height="%d" %s /></a></div>
    <script type="text/javascript" src="http://s7.addthis.com/js/152/addthis_widget.js"></script>
    ',
    $teaser ? url('node/'.$node->nid, array('absolute' => 1) ) : '[URL]',
    $teaser ? addslashes($node->title) : '[TITLE]',
    variable_get('addthis_image', 'http://s9.addthis.com/button1-share.gif'),
    variable_get('addthis_image_width', '125'),
    variable_get('addthis_image_height', '16'),
    variable_get('addthis_image_attributes', 'alt=""')
  ));
}