NewImg = new Array (
"partyshow/1.jpg",
"partyshow/2.jpg",
"partyshow/3.jpg",
"partyshow/4.jpg",
"partyshow/5.jpg",
"partyshow/6.jpg",
"partyshow/7.jpg",
"partyshow/8.jpg",
"partyshow/9.jpg",
"partyshow/10.jpg",
"partyshow/11.jpg",
"partyshow/12.jpg",
"partyshow/13.jpg",
"partyshow/14.jpg",
"partyshow/15.jpg",
"partyshow/16.jpg",
"partyshow/17.jpg",
"partyshow/18.jpg",
"partyshow/19.jpg",
"partyshow/19A.jpg",
"partyshow/20.jpg",
"partyshow/21.jpg",
"partyshow/22.jpg",
"partyshow/23.jpg",
"partyshow/24.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);
   }
}