//funciones desplegable
	function show_desplegable(id){
		var a=document.getElementById("banner_ampliable_1_"+id);
		var b=document.getElementById("banner_ampliable_2_"+id);
		a.style.display = "none";
        b.style.display = "block";
	}
	function hide_desplegable(id){
		var a=document.getElementById("banner_ampliable_1_"+id);
		var b=document.getElementById("banner_ampliable_2_"+id);
		a.style.display = "block";
		b.style.display = "none";
	}