Решено!
<script language="JavaScript" type="text/javascript">
all_images = new Array (
"image/img_1.png",
"http://online.icq.com/scripts/online.dll?icq=632477212&img=5",
"image/img_3.png",
"image/img_4.png");
var ImgNum = 0;
var ImgLength = all_images.length - 1;
var delay = 2500;
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.slide_show.src = all_images[ImgNum];
}
}
function auto() {
if (lock == true) {
lock = false;
window.clearInterval(run);
}
else if (lock == false) {
lock = true;
run = setInterval("chgImg(1)", delay);
}
}
</script>
<div align="center">
<img src="../assets/js/loaders/ajax-loader.gif" name="slide_show"></td>
</div>
<script language="JavaScript" type="text/javascript">
auto();
</script>