function marcaseccio(sec) {
	var x=document.getElementById('pes-selected');
	switch(sec) {
		case 'quisom' :
			x.style.left='168px';
			x.style.width='114px';
			x.style.background='url(imagcast/interior_quisom_s.gif)';
			break;
		case 'serveis' :
			x.style.left='283px';
			x.style.width='81px';
			x.style.background='url(imagcast/interior_serveis_s.gif)';
			break;
		case 'professionals' :
			x.style.left='365px';
			x.style.width='115px';
			x.style.background='url(imagcast/interior_professionals_s.gif)';
			break;
		case 'direccio' :
			x.style.left='481px';
			x.style.width='182px';
			x.style.background='url(imagcast/interior_direccio_s.gif)';
			break;
		case 'contactar' :
			x.style.left='664px';
			x.style.width='96px';
			x.style.background='url(imagcast/interior_contactar_s.gif)';
			break;
	}
}