$(document).ready(function() {

  //For IE7 and its own interpretation of selectors
  $('.redarrow_list li a.expand').click(function() {$(this).closest("li").find('.dd_text').slideDown();});

  //These ones work on nice browsers
  $('a.expand').click(function() {$(this).parent().next('span').slideDown();});
  $('span.ocultar').click(function() {$(this).parent().slideUp();});

});