var a=0;
function cargaimagen(){
	document.imagenes.src="./img/imagenes/mini/image" + 1 + ".png";
	document.imagenes.height=165;
}
function incremento(){
	if (a==12){a=-1;}
	a++;
	document.imagenes.src="./img/imagenes/mini/image" + a + ".png";
	document.imagenes.height=165;
}
function decremento(){
	if (a==0){a=13;}
	a--;
	document.imagenes.src="./img/imagenes/mini/image" + a + ".png";
	document.imagenes.height=165;
}
function imagen(){
window.open("./img/imagenes/image"+a+".png", "Imagen ampliada", "width=800, height=600");
}