NewImg = new Array (
"images/brands/change.gif",
"images/brands/clubcity.gif",
"images/brands/joe_juice.gif",
"images/brands/just_cuts.gif",
"images/brands/lolita.gif",
"images/brands/spa_siam.gif",
"images/brands/lamborghini.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.autoSlide.src = NewImg[ImgNum];
   }
}
function auto() {
lock = true;
run = setInterval("chgImg(1)", delay);
}