function cambiar_visible(number)
{
	var i
	for (i=11;i<=13;i++)
	{
		document.getElementById(i).style.display = 'none';	
	}
	document.getElementById(number).style.display = 'block';
} 



function cambiar_foto_galeria(numero)
{
	var i
	for (i=1;i<=14;i++)
	{
		document.getElementById(i).style.display = 'none';	
	}
	document.getElementById(numero).style.display = 'block';
}