/*
// "Simple Image Rotator" Module for Joomla! 1.0.x - Version 1.0
  
*/

var delay = 5000;
var transition = 40;
var imageContainer = 'jw-sir';
var preLoader = 'jw-sir-loading';
var d1 = document, imgs = new Array(), zInterval = null, current = 0, pause = false;
function so_init() {
    if (!d1.getElementById || !d1.createElement) return;
    imgs = d1.getElementById(imageContainer).getElementsByTagName("img");
    for (i = 1; i < imgs.length; i++) imgs[i].xOpacity = 0;
    imgs[0].style.display = "block";
    imgs[0].xOpacity = .99;
    setTimeout(so_xfade, delay);
}
function so_xfade() {
    cOpacity = imgs[current].xOpacity;
    nIndex = imgs[current + 1] ? current + 1 : 0;
    nOpacity = imgs[nIndex].xOpacity;
    cOpacity -= .05;
    nOpacity += .05;
    imgs[nIndex].style.display = "block";
    imgs[current].xOpacity = cOpacity;
    imgs[nIndex].xOpacity = nOpacity;
    setOpacity(imgs[current]);
    setOpacity(imgs[nIndex]);
    if (cOpacity <= 0) {
        imgs[current].style.display = "none";
        current = nIndex;
        setTimeout(so_xfade, delay);
    } else {
        setTimeout(so_xfade, transition);
    }
    function setOpacity(obj) {
        if (obj.xOpacity > .99) {
            obj.xOpacity = .99;
            return;
        }
        obj.style.opacity = obj.xOpacity;
        obj.style.MozOpacity = obj.xOpacity;
        obj.style.filter = "alpha(opacity=" + (obj.xOpacity * 100) + ")";
    }
}
function hideLoading() { document.getElementById(preLoader).style.display = 'none'; }

// Load everything up
function init_ahr() {
    if (arguments.callee.done) return;
    arguments.callee.done = true;
    so_init();
    hideLoading();
};
// DOM2
if (typeof window.addEventListener != "undefined") { window.addEventListener("load", init_ahr, false); }
// IE 
else if (typeof window.attachEvent != "undefined") { window.attachEvent("onload", init_ahr); }
else {
    if (window.onload != null) {
        var oldOnload = window.onload;
        window.onload = function(e) {
            oldOnload(e);
            init_ahr();
        };
    }
    else
        window.onload = init_ahr;
}