');
document.write('');
document.close();
}
}
// slideSwitch()
// This function needs to do a couple things:
// 1. fade in the next-active image
// 2. toggle classes on the 2 superimposed divs
// 3. choose a new random image different from the one in the ones currently "loaded"
function slideSwitch() {
// get a new image index that isn't one of the previous two--we'll use this below
do {new_index = random_num(images.length);}
while (new_index == cur_index || new_index == next_index);
// get handles on divs
var $active = $('#slideshow DIV.active');
// tricky bit--get a handle on the other div (currently without a class)
var $next = $active.next().length ? $active.next() : $('#slideshow DIV:first');
// do the fade and stage the next image/info
$active.fadeOut(1000, function() {
$active.removeClass('active');
cur_index = next_index;
next_index = new_index;
$active.find('img').attr("src", image_path + images[next_index][0]);
$active.find('span').first().text(images[next_index][1]);
$active.find('span').last().text(images[next_index][2]);
});
$next.fadeIn(1000, function() {
$next.addClass('active');
});
}
function popup_fullsize(item_id, title, wd, ht) {
var page = 'php/FullImage.php?id=' + item_id;
var width = wd + 100;
var height = ht + 150;
window.open(page, title, 'resizable=1, height=' + height + ', width=' + width);
return false;
}
function preload_images() {
if (document.images) {
// cache images for quick loading
// stores pre-loaded images, so browser garbage collection doesn't remove them from the cache
var image_objects = new Array();
// preload images by cycling through the src files as javascript image objects.
var cache_img = new Image();
for (var i = 0; i < images.length; i++) {
cache_img.src = image_path + images[i][0]; // use same object to cache image sources!
// push onto global array to prevent cleanup by browser
image_objects.push(cache_img);
}
}
}