// JavaScript Document
NewImg = new Array (
"images/1.jpg",
"images/2.jpg",
"images/3.jpg",
"images/4.jpg",
"images/5.jpg",
"images/6.jpg",
"images/7.jpg",
"images/8.jpg",
"images/9.jpg",
"images/10.jpg",
"images/11.jpg",
"images/12.jpg",
"images/13.jpg",
"images/14.jpg",
"images/15.jpg",
"images/16.jpg",
"images/17.jpg",
"images/18.jpg",
"images/19.jpg",
"images/20.jpg",
"images/21.jpg",
"images/22.jpg",
"images/23.jpg",
"images/24.jpg",
"images/25.jpg",
"images/26.jpg",
"images/27.jpg",
"images/28.jpg",
"images/29.jpg",
"images/30.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);
   }
}