EDIT

/* ============================ other ============================= */

function theme_cdm_dynabox($label, $content_url, $theme, $enclosingtag = 'li'){

	drupal_add_js(drupal_get_path('module', 'cdm_dataportal').'/js/cdm_dynabox.js');

	$cdm_proxy_url = url('cdm_api/proxy/'.urlencode($content_url)."/$theme");

	$out .= '<li class="dynabox"><span class="label" alt="'.t('Click for accepted taxon').'">'.$label.'</span>';

	$out .= '<ul class="dynabox_content" title="'.$cdm_proxy_url.'"><li><img class="loading" src="'.drupal_get_path('module', 'cdm_dataportal').'/images/loading_circle_grey_16.gif" style="display:none;"></li></ul>';

	return $out;

}