NewImg = new Array (
	"images/slideshow/1.jpg",
	"images/slideshow/2.jpg",
	"images/slideshow/3.jpg",
	"images/slideshow/4.jpg",
	"images/slideshow/5.jpg",
	"images/slideshow/6.jpg",
	"images/slideshow/7.jpg",
	"images/slideshow/8.jpg",
    "images/slideshow/9.jpg",
    "images/slideshow/10.jpg"
);
var ImgNum = 0;
var ImgLength = NewImg.length - 1;

//Time delay between Slides in milliseconds
var delay = 2000;

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);
	}
}