function muestra(axx) {
	if ( axx == 1) { document.getElementById('sm1').style.display = ''; document.getElementById('sm2').style.display = 'none';  }
	if ( axx == 2) { document.getElementById('sm1').style.display = 'none'; document.getElementById('sm2').style.display = ''; }
	if ( axx == 0) { document.getElementById('sm1').style.display = 'none'; document.getElementById('sm2').style.display = 'none'; }
}



function muestra_categorias(axx) {
	if ( axx == 1) { cat1.style.display="block"; cat2.style.display="none"; cat3.style.display="none"; cat4.style.display="none";  }
	if ( axx == 2) { cat1.style.display="none"; cat2.style.display="block"; cat3.style.display="none"; cat4.style.display="none";  }
	if ( axx == 3) { cat1.style.display="none"; cat2.style.display="none"; cat3.style.display="block"; cat4.style.display="none";  }
	if ( axx == 4) { cat1.style.display="none"; cat2.style.display="none"; cat3.style.display="none"; cat4.style.display="block";  }

}