var image = new Array();
var imageSelected;

function imageSelect(nimage, auto){
	if (nimage != imageSelected && image[nimage]){
		if (imageSelected >= 0)
			document.getElementById("bt" + imageSelected).src = "/template/main/images/2main/bt.png";

		document.getElementById("image").src = "/upload/file/" + image[nimage];
		document.getElementById("bt" + nimage).src = "/template/main/images/2main/bt-selected.png";

		imageSelected = nimage;

		if (auto == true){
			setTimeout(function(){
				imageSelectAuto()
				}, 5000);
		}
	}
}

function imageSelectAuto(){
	nimage = 0;
	if ((imageSelected + 1) < image.length)
		nimage = imageSelected + 1;

	imageSelect(nimage, true);
}