var gallery_index = 0;
function nextImage() {
changeImage(1);
}
function prevImage() {
changeImage(-1);
}
function changeImage(n) {
// Determine new image index.
var max_gallery_index = document.gallery_max - document.gallery_min + 1;
gallery_index = gallery_index + n;
if (gallery_index < 0) {
gallery_index = max_gallery_index;
} else if (gallery_index > max_gallery_index) {
gallery_index = 0;
}
// Determine image number.
var gallery_image_number = '000';
var gallery_image_ext = '.gif';
if (gallery_index > 0) {
gallery_image_number = document.gallery_min + gallery_index - 1;
gallery_image_ext = '.jpg';
}
// Update the image.
var frame = getElement("gallery_image");
if (frame != null) {
frame.innerHTML = "![](sss-" + gallery_image_number + gallery_image_ext + ")
";
}
// Update the text.
frame = getElement("gallery_text");
if (frame != null) {
frame.innerHTML = document.gallery_caption[gallery_image_number];
}
// Update the counter.
frame = getElement("gallery_page");
if (frame != null) {
if (gallery_index == 0) {
frame.innerHTML = ' ' + max_gallery_index + " photos";
} else {
frame.innerHTML = ' ' + gallery_index + " of " + max_gallery_index + " photos";
}
}
}
function imageList() {
w = window.open('', 'gallery_image_list', 'width=525,height='+window.outerHeight+',scrollbars=yes');
w.document.writeln('sharp school services gallery image list');
w.document.writeln('');
w.document.writeln('');
for (i=document.gallery_min; i<=document.gallery_max; i++) {
w.document.writeln('
' + document.gallery_caption[i] + '
');
}
w.document.writeln('
close
');
w.document.writeln('');
w.focus();
}
function getElement (id) {
if (document.all != null) {
return document.all[id];
} else if (document.layers != null) {
return document.layers[id];
} else if (document.getElementById) {
return document.getElementById(id);
}
}
function showStatus (text) {
window.status = text;
}