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@dubrod dubrod/gist:5488995
Created Apr 30, 2013

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Prototype slider js file. Used in Magento 1.7 - Based on http://www.tomdoyletalk.com/simple-gallery/ - BUT I changed line 20 duration to 0 so you don't have that stack issue
// set the starting image.
var i = 0;
// The array of div names which will hold the images.
var image_slide = new Array('image-1', 'image-2', 'image-3');
// The number of images in the array.
var NumOfImages = image_slide.length;
// The time to wait before moving to the next image. Set to 4 seconds by default.
var wait = 4000;
// The Fade Function
function SwapImage(x,y) {
$(image_slide[x]).appear({ duration: 0.5 });
$(image_slide[y]).fade({duration: 0});
}
// the onload event handler that starts the fading.
function StartSlideShow() {
play = setInterval('Play()',wait);
$('PlayButton').hide();
$('PauseButton').appear({ duration: 0});
updatecounter();
}
function Play() {
var imageShow, imageHide;
imageHide = i;
imageShow = i+1;
if (imageShow == NumOfImages) {
SwapImage(0,imageHide);
i = 0;
} else {
SwapImage(imageShow,imageHide);
i++;
}
var textIn = i+1 + ' of ' + NumOfImages;
updatecounter();
}
function Stop () {
clearInterval(play);
$('PlayButton').appear({ duration: 0});
$('PauseButton').hide();
}
function GoNext() {
clearInterval(play);
$('PlayButton').appear({ duration: 0});
$('PauseButton').hide();
var imageShow, imageHide;
imageShow = i+1;
imageHide = i;
if (imageShow == NumOfImages) {
SwapImage(0,imageHide);
i = 0;
} else {
SwapImage(imageShow,imageHide);
i++;
}
updatecounter();
}
function GoPrevious() {
clearInterval(play);
$('PlayButton').appear({ duration: 0});
$('PauseButton').hide();
var imageShow, imageHide;
imageShow = i-1;
imageHide = i;
if (i == 0) {
SwapImage(NumOfImages-1,imageHide);
i = NumOfImages-1;
//alert(NumOfImages-1 + ' and ' + imageHide + ' i=' + i)
} else {
SwapImage(imageShow,imageHide);
i--;
//alert(imageShow + ' and ' + imageHide)
}
updatecounter();
}
function updatecounter() {
var textIn = i+1 + ' of ' + NumOfImages;
document.getElementById('Counter').innerHTML = textIn;
}
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