if (TransMenu.isSupported())
{
var ms=new TransMenuSet(TransMenu.direction.down,1,0, TransMenu.reference.bottomLeft);

var desplegable1 = ms.addMenu(document.getElementById('desplegable1'));
 desplegable1.addItem('Projects','proyectos_en.html');
 desplegable1.addItem('Project management','direccionobra_en.html');
 desplegable1.addItem('Refits','reformas_en.html');
 desplegable1.addItem('Stability studies','estabilidad_en.html');
 desplegable1.addItem('Marine structures','estructuras_en.html');
 desplegable1.addItem('Change of register','abanderamientos_en.html');
 desplegable1.addItem('CE marking','marcadoCE_en.html');
<!--   desplegable1.addItem('Valuations','valoraciones_en.html');-->
<!--    desplegable1.addItem('Peritajes judiciales','peritajes_en.html');-->



var desplegable2 = ms.addMenu(document.getElementById('desplegable2'));
 desplegable2.addItem('Customers','referencias_clientes_en.html');
<!-- desplegable2.addItem('References','referencias_trabajos_en.html');-->
 desplegable2.addItem('Collaborations','colaboraciones_en.html');

var desplegable3 = ms.addMenu(document.getElementById('desplegable3'));
<!--  desplegable3.addItem('Links','enlaces_en.html');-->
<!--  desplegable3.addItem('Downloads','desgargas_en.html');-->
<!--  desplegable3.addItem('Glosario','glosario.html');-->


TransMenu.renderAll();
}