function mostrar(id) {
		if (document.getElementById(id)) {
			var desc = document.getElementById(id).style;
			if (desc.display == "block")
				desc.display = "none";
			else
				desc.display = "block";
			return false;
		} else
			return true;
	}
	
	function overSec(clase,id) {
		mostrar("desc_" + id);
		switch (clase) {
			case "duchas": 	document.img_duc.src = "images/" + id + ".jpg"; break;
                        case "baneras": document.img_ban.src = "images/" + id + ".jpg"; break;
		}
	}
	
	function outSec(clase,id) {
		mostrar("desc_" + id);
		switch (clase) {
			case "duchas": 	document.img_duc.src = "images/" + "duchas.jpg"; break;
                        case "baneras": document.img_ban.src = "images/" + "baneras.jpg"; break;
		}
	}