ТвойWeb :: Скрипт смены баннера [4]

CODE:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
<script type="text/javascript" language="javascript">

</script>
</head><body onload="rotateinit();">
<img id="bannerimg1" src="1.bmp">
<img id="bannerimg2" src="2.bmp">
</body></html>

/* настройки */
var rotate_set = {
"id_img_above": [ "picture_above_1.jpg", "picture_above_2.jpg", "picture_above_3.jpg", "picture_above_4.jpg", ],
"id_img_below": [ "picture_below_1.jpg", "picture_below_2.jpg", "picture_below_3.jpg", "picture_below_4.jpg", ],
};
var rotate_interval = 10000; //миллисекунд
/* /настройки */

function setCookie(name, value, shortcook) {
var expdate = new Date();
expdate.setTime(expdate.getTime() + (86400000 * 31));
var curCookie=name+"="+escape(value)+((shortcook)?"":";expires="+expdate.toGMTString());
document.cookie=curCookie;
}
function getCookie(name, defval) {
var prefix = name + "=";
var cookieStartIndex = document.cookie.indexOf(prefix);
if (cookieStartIndex == -1) {
return defval;
}
var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
if (cookieEndIndex == -1) {
cookieEndIndex = document.cookie.length;
}
return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

var rotate_index;
function rotate_do()
{
var id;
for (id in rotate_set)
{
document.getElementById(id).lowsrc = document.getElementById(id).src;
document.getElementById(id).src = rotate_set[id][rotate_index];
}
rotate_index++;
if (rotate_set[id].length == rotate_index)
rotate_index = 0;
setCookie("banner",rotate_index,0);
}
function rotate_start()
{
rotate_do();
setInterval(rotate_do,rotate_interval);
}
function rotate_init()
{
rotate_index=getCookie("banner",0);
var ready=true;
for (var id in rotate_set)
ready = ready && document.getElementById(id);
if (ready)
rotate_start();
else
document.addEventListener("load",rotate_start, false);
}
rotate_init();

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
</head><body>
<img id="id_img_above" src="">
<img id="id_img_below" src="">
<script type="text/javascript" src="rotater.js"></script>
</body></html>