var fotos = new Array('media/images/animation/picture_01.jpg',
					  'media/images/animation/picture_02.jpg',
					  'media/images/animation/picture_03.jpg',
					  'media/images/animation/picture_04.jpg',
					  'media/images/animation/picture_05.jpg');
var speed=5000;
var pos=0;

function do_animation() {
	if (!(document.images)) { return; }
		document.animation.src=fotos[pos++];
		if (pos == fotos.length) { pos = 0; }
		setTimeout("do_animation();",speed);
}