NewImg = new Array (
"media/images/index_keys.jpg",
"media/images/index_tumblers.jpg",
"media/images/index_cylinders.jpg",
"media/images/index_mechanical.jpg",
"media/images/index_electromechanical.jpg",
"media/images/index_pneumatic.jpg",
"media/images/index_retrofitlocks.jpg",
"media/images/index_remanufacturing.jpg",
"media/images/index_slidingdoor.jpg",
"media/images/index_motorssolenoids.jpg",
"media/images/index_switches.jpg",
"media/images/index_springs.jpg",
"media/images/index_hinges.jpg",
"media/images/index_dps.jpg",
"media/images/index_keyswitches.jpg",
"media/images/index_lock_and_key_accessories.jpg",
"media/images/index_engineering.jpg"
);
var ImgNum = 0;
var ImgLength = NewImg.length - 1;

//Time delay between Slides in milliseconds
var delay = 5000;

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];
   }
}
function auto() {
if (lock == true) {
lock = false;
window.clearInterval(run);
}
else if (lock == false) {
lock = true;
run = setInterval("chgImg(1)", delay);
   }
}