function showPic(wichPic, nombreClase){
	var foto = wichPic;
	var clase = nombreClase;
	var placeholder = document.getElementById("placeholder");
	placeholder.setAttribute("src",foto);
	placeholder.setAttribute("name", foto);
	if(clase == "hor") {
		placeholder.className = "imgGaleriaHor";
	} else {
		placeholder.className = "imgGaleriaVer";
	}
}

function alerta(wichPic) {
	var foto = wichPic;
	alert(foto);
}