Il meglio per tetto e parete jQuery(document).ready(function () { jQuery("#panel-p2 dl.level1 > dt:nth-of-type(2)").addClass("opened"); jQuery("#panel-p2 dl.level1 > dd:nth-of-type(2)").addClass("opened"); jQuery("#panel-p2 dl.level1 > dd:nth-of-type(2) > dl.level2 > dt:nth-of-type(2)").addClass("opened"); jQuery("#panel-p2 dl.level1 > dd:nth-of-type(2) > dl.level2 > dd:nth-of-type(2)").addClass("opened"); }); Membrane sintetiche T-PE, T-Plan, Enkolan, ELLE-Plan Ventilation, waterproofing, airtightness Elements for roof ventilation Under-ridge elements Accessories for ventilation Connections for chimneys [...]