NewImg = new Array (
"images/intro2_esp_7.jpg",
"images/intro2_esp_7.jpg",
"images/intro3_7.jpg",
"images/intro4_7.jpg",
"images/intro1_7.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];
   }
}

NewImg2 = new Array (
"images/intro1_5.jpg",
"images/intro1_5.jpg",
"images/intro1_5.jpg",
"images/intro1_5.jpg",
"images/intro_5.jpg"
);
var ImgNum2 = 0;
var ImgLength2 = NewImg2.length - 1;

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

var lock = false;
var run;
function chgImg2(direction) {
if (document.images) {
ImgNum2 = ImgNum2 + direction;
if (ImgNum2 > ImgLength2) {
ImgNum2 = 0;
}
if (ImgNum2 < 0) {
ImgNum2 = ImgLength2;
}
document.slideshow2.src = NewImg2[ImgNum2];
   }
}

function auto() {
if (lock == true) {
lock = false;
window.clearInterval(run);
}
else if (lock == false) {
lock = true;
run = setInterval("chgImg(1)", delay);
run = setInterval("chgImg2(1)", delay);
   }
}