NewImg = new Array (
"imagegallery/facciate/gallery1.jpg",
"imagegallery/facciate/gallery2.jpg",
"imagegallery/facciate/gallery8.jpg",
"imagegallery/facciate/gallery3.jpg",
"imagegallery/facciate/gallery4.jpg",
"imagegallery/facciate/gallery5.jpg",
"imagegallery/facciate/gallery6.jpg",
"imagegallery/facciate/gallery7.jpg",
"imagegallery/facciate/gallery9.jpg");
var ImgNum = 0;
var ImgLength = NewImg.length - 1;
var delay = 3000;
var lock = false;
var run;
function chgImg(direction) {
if (document.images) {
ImgNum = ImgNum + direction;
if (ImgNum > ImgLength) {
ImgNum = 0;
}
if (ImgNum < 0) {
ImgNum = ImgLength;
}
document.slideshow.src = NewImg[ImgNum];
   }
}