/**
 * Hides the description fields by default and provides an optional
 * link to show them.
 */
var setup_descriptions = function () {
  $('.usercard .description td')
    .wrapInner('<div class="show"></div>')
    .append('<a>Näytä</a>').click(function () {
	$(this)
	  .find('.show').show('slow').end()
	  .find('a').hide();
      })
    .find('.show').hide();
}