// JavaScript Document
<!-- 
// The order of display : True - Random / False - Sequential 
var randomOrder = false; 
// Default Width of the image (if not set individually) 
var defaultWidth = 329; 
// Default Height of the image (if not set individually) 
var defaultHeight = 379; 
// An array of the images to be rotated (Image Path[, Width of the Image[, Height of the Image]]) 
// If the width and height is not specified, the Default value specified above will be used 
var arImg = new Array(); 
arImg[0] = ['images/hp_rotate_pic1.gif', 391, 451]; 
//arImg[1] = ['images/hp_rotate_pic2.gif', 391, 451]; 
arImg[1] = ['images/hp_rotate_pic3.gif', 391, 451]; 
arImg[2] = ['images/hp_rotate_pic4.gif', 391, 451]; 

function rotateImage(){ 
    if(randomOrder){ 
        index = Math.floor(Math.random() * arImg.length); 
    }else{ 
        var index = getCookie('rotate_image'); 
        index = index ? index : 0; 
        index = ++index % arImg.length; 
    } 
    (img = document.getElementById('hp_rotate_pic')).src = arImg[index][0]; 
    img.width = (arImg[index][1]) ? arImg[index][1] : defaultWidth; 
    img.height = (arImg[index][2]) ? arImg[index][2] : defaultHeight; 
    setCookie('rotate_image', index); 
} 

function getCookie(name) { 
    var sPos = document.cookie.indexOf(name + '='); 
    var len = sPos + name.length + 1; 
    if((!sPos) && (name != document.cookie.substring(0, name.length))){ 
        return null; 
    } 
    if(sPos == -1){ 
        return null; 
    } 
    var ePos = document.cookie.indexOf(';', len); 
    if(ePos == -1) ePos = document.cookie.length; 
    return unescape(document.cookie.substring(len, ePos)); 
} 

function setCookie(name, value, expires, path, domain, secure){ 
    var today = new Date(); 
    if(expires){ 
        expires = expires * 1000 * 3600 * 24; 
    } 
    document.cookie = name+'='+escape(value) + 
        ((expires) ? ';expires=' + new Date(today.getTime() + expires).toGMTString() : '') + 
        ((path) ? ';path=' + path : '') + 
        ((domain) ? ';domain=' + domain : '') + 
        ((secure) ? ';secure' : ''); 
} 
//-->