NewImg = new Array ("images/ad1.jpg","images/ad2.jpg","images/ad3.jpg");
var ImgNum = 0;
var ImgLength = NewImg.length - 1;

var delay = 8000;

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);
   }
}

ImgTwo = new Array ("images/mwcoa.jpg","images/auwc.jpg");
var ImgNumTwo = 0;
var ImgLengthTwo = ImgTwo.length - 1;

var delayTwo = 10000;

var lockTwo = false;
var runTwo;
function chgImgTwo(directionTwo) {
if (document.images) {
ImgNumTwo = ImgNumTwo + directionTwo;
if (ImgNumTwo > ImgLengthTwo) {
ImgNumTwo = 0;
}
if (ImgNumTwo < 0) {
ImgNumTwo = ImgLengthTwo;
}
document.slideshow2.src = ImgTwo[ImgNumTwo];
   }
}
function autoTwo() {
if (lockTwo == true) {
lockTwo = false;
window.clearInterval(run);
}
else if (lockTwo == false) {
lockTwo = true;
runTwo = setInterval("chgImgTwo(1)", delayTwo);
   }
}