funPics = new Array('images/cycler/01.jpg','images/cycler/02.jpg','images/cycler/03.jpg','images/cycler/04.jpg','images/cycler/05.jpg','images/cycler/06.jpg','images/cycler/07.jpg');
imgCt = funPics.length;

function choosePic() {
	if (document.images) {
		randomNum = Math.floor ((Math.random() * imgCt));
		document.Picture.src = funPics[randomNum];
	}
}