0) {
var next, prev, count;
next = this.current;
prev = this.current;
count = 0;
do {
if (++next >= this.slides.length) next = 0;
if (--prev < 0) prev = this.slides.length - 1;
this.slides[next].load();
this.slides[prev].load();
} while (++count < this.prefetch);
}
}
this.goto_slide = function(n) {
if (n == -1) { n = this.slides.length - 1; }
if (n < this.slides.length && n >= 0) { this.current = n; }
this.update();
}
this.goto_random_slide = function(include_current) {
var i;
if (this.slides.length > 1) {
do { i = Math.floor(Math.random()*this.slides.length); } while (i == this.current);
this.goto_slide(i);
}
}
this.next = function() {
if (this.current < this.slides.length - 1) {
this.current++;
} else if (this.repeat) { this.current = 0; }
this.update();
}
this.previous = function() {
if (this.current > 0) {
this.current--;
} else if (this.repeat) { this.current = this.slides.length - 1; }
this.update();
}
this.shuffle = function() {
var i, i2, slides_copy, slides_randomized;
slides_copy = new Array();
for (i = 0; i < this.slides.length; i++) {
slides_copy[i] = this.slides[i];
}
slides_randomized = new Array();
do {
i = Math.floor(Math.random()*slides_copy.length);
slides_randomized[ slides_randomized.length ] =
slides_copy[i];
for (i2 = i + 1; i2 < slides_copy.length; i2++) {
slides_copy[i2 - 1] = slides_copy[i2];
}
slides_copy.length--;
} while (slides_copy.length);
this.slides = slides_randomized;
}
this.get_text = function() {
return(this.slides[ this.current ].text);
}
this.get_all_text = function(before_slide, after_slide) {
all_text = "";
for (i=0; i < this.slides.length; i++) {
slide = this.slides[i];
if (slide.text) { all_text += before_slide + slide.text + after_slide; }
}
return(all_text);
}
this.display_text = function(text) {
if (!text) { text = this.slides[ this.current ].text; }
if (this.textarea && typeof this.textarea.value != 'undefined') { this.textarea.value = text; }
if (this.textid) {
r = this.getElementById(this.textid);
if (!r) { return false; }
if (typeof r.innerHTML == 'undefined') { return false; }
r.innerHTML = text;
}
}
this.hotlink = function() { this.slides[ this.current ].hotlink(); }
this.save_position = function(cookiename) { if (!cookiename) { cookiename = this.name + '_slideshow'; }
document.cookie = cookiename + '=' + this.current;
}
this.restore_position = function(cookiename) {
if (!cookiename) { cookiename = this.name + '_slideshow'; }
var search = cookiename + "=";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search);
if (offset != -1) {
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
this.current = parseInt(unescape(document.cookie.substring(offset, end)));
}
}
}
this.noscript = function() {
$html = "\n"; for (i=0; i < this.slides.length; i++) { slide = this.slides[i]; $html += '';
if (slide.link) { $html += ''; }
$html += '
';
if (slide.link) { $html += "<\/a>"; }
if (slide.text) { $html += "
\n" + slide.text; }
$html += "<\/P>" + "\n\n";
}
$html = $html.replace(/\&/g, "&" );
$html = $html.replace(//g, ">" );
return('' + $html + '
');
}
// Private methods
this.loop = function() {
if (this.current < this.slides.length - 1) {
next_slide = this.slides[this.current + 1];
if (next_slide.image.complete == null || next_slide.image.complete) {
this.next();
}
} else { this.next(); }
this.play( );
}
this.valid_image = function() {
if (!this.image)
{
return false;
}
else {
return true;
}
}
this.getElementById = function(element_id) {
if (document.getElementById) {
return document.getElementById(element_id);
}
else if (document.all) {
return document.all[element_id];
}
else if (document.layers) {
return document.layers[element_id];
} else {
return undefined;
}
}
this.set_image = function(imageobject) {
if (!document.images)
return;
this.image = imageobject;
}
this.set_textarea = function(textareaobject) {
this.textarea = textareaobject;
this.display_text();
}
this.set_textid = function(textidstr) { this.textid = textidstr; this.display_text(); }
}