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[euphorik.git] / lightbox / js / lightbox.js
1 // -----------------------------------------------------------------------------------
2 //
3 // Lightbox v2.03.3
4 // by Lokesh Dhakar - http://www.huddletogether.com
5 // 5/21/06
6 //
7 // For more information on this script, visit:
8 // http://huddletogether.com/projects/lightbox2/
9 //
10 // Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
11 //
12 // Credit also due to those who have helped, inspired, and made their code available to the public.
13 // Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.com), Thomas Fuchs(mir.aculo.us), and others.
14 //
15 //
16 // -----------------------------------------------------------------------------------
17 /*
18
19 Table of Contents
20 -----------------
21 Configuration
22 Global Variables
23
24 Extending Built-in Objects
25 - Object.extend(Element)
26 - Array.prototype.removeDuplicates()
27 - Array.prototype.empty()
28
29 Lightbox Class Declaration
30 - initialize()
31 - updateImageList()
32 - start()
33 - changeImage()
34 - resizeImageContainer()
35 - showImage()
36 - updateDetails()
37 - updateNav()
38 - enableKeyboardNav()
39 - disableKeyboardNav()
40 - keyboardAction()
41 - preloadNeighborImages()
42 - end()
43
44 Miscellaneous Functions
45 - getPageScroll()
46 - getPageSize()
47 - getKey()
48 - listenKey()
49 - showSelectBoxes()
50 - hideSelectBoxes()
51 - showFlash()
52 - hideFlash()
53 - pause()
54 - initLightbox()
55
56 Function Calls
57 - addLoadEvent(initLightbox)
58
59 */
60 // -----------------------------------------------------------------------------------
61
62 //
63 // Configuration
64 //
65 var fileLoadingImage = "lightbox/images/loading.gif";
66 var fileBottomNavCloseImage = "lightbox/images/closelabel.gif";
67
68 var overlayOpacity = 0.8; // controls transparency of shadow overlay
69
70 var animate = true; // toggles resizing animations
71 var resizeSpeed = 8; // controls the speed of the image resizing animations (1=slowest and 10=fastest)
72
73 var borderSize = 10; //if you adjust the padding in the CSS, you will need to update this variable
74
75 // -----------------------------------------------------------------------------------
76
77 //
78 // Global Variables
79 //
80 var imageArray = new Array;
81 var activeImage;
82
83 if(animate == true){
84 overlayDuration = 0.2; // shadow fade in/out duration
85 if(resizeSpeed > 10){ resizeSpeed = 10;}
86 if(resizeSpeed < 1){ resizeSpeed = 1;}
87 resizeDuration = (11 - resizeSpeed) * 0.15;
88 } else {
89 overlayDuration = 0;
90 resizeDuration = 0;
91 }
92
93 // -----------------------------------------------------------------------------------
94
95 //
96 // Additional methods for Element added by SU, Couloir
97 // - further additions by Lokesh Dhakar (huddletogether.com)
98 //
99 Object.extend(Element, {
100 getWidth: function(element) {
101 element = $(element);
102 return element.offsetWidth;
103 },
104 setWidth: function(element,w) {
105 element = $(element);
106 element.style.width = w +"px";
107 },
108 setHeight: function(element,h) {
109 element = $(element);
110 element.style.height = h +"px";
111 },
112 setTop: function(element,t) {
113 element = $(element);
114 element.style.top = t +"px";
115 },
116 setLeft: function(element,l) {
117 element = $(element);
118 element.style.left = l +"px";
119 },
120 setSrc: function(element,src) {
121 element = $(element);
122 element.src = src;
123 },
124 setHref: function(element,href) {
125 element = $(element);
126 element.href = href;
127 },
128 setInnerHTML: function(element,content) {
129 element = $(element);
130 element.innerHTML = content;
131 }
132 });
133
134 // -----------------------------------------------------------------------------------
135
136 //
137 // Extending built-in Array object
138 // - array.removeDuplicates()
139 // - array.empty()
140 //
141 Array.prototype.removeDuplicates = function () {
142 for(i = 0; i < this.length; i++){
143 for(j = this.length-1; j>i; j--){
144 if(this[i][0] == this[j][0]){
145 this.splice(j,1);
146 }
147 }
148 }
149 }
150
151 // -----------------------------------------------------------------------------------
152
153 Array.prototype.empty = function () {
154 for(i = 0; i <= this.length; i++){
155 this.shift();
156 }
157 }
158
159 // -----------------------------------------------------------------------------------
160
161 //
162 // Lightbox Class Declaration
163 // - initialize()
164 // - start()
165 // - changeImage()
166 // - resizeImageContainer()
167 // - showImage()
168 // - updateDetails()
169 // - updateNav()
170 // - enableKeyboardNav()
171 // - disableKeyboardNav()
172 // - keyboardNavAction()
173 // - preloadNeighborImages()
174 // - end()
175 //
176 // Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
177 //
178 var Lightbox = Class.create();
179
180 Lightbox.prototype = {
181
182 // initialize()
183 // Constructor runs on completion of the DOM loading. Calls updateImageList and then
184 // the function inserts html at the bottom of the page which is used to display the shadow
185 // overlay and the image container.
186 //
187 initialize: function() {
188
189 this.updateImageList();
190
191 // Code inserts html at the bottom of the page that looks similar to this:
192 //
193 // <div id="overlay"></div>
194 // <div id="lightbox">
195 // <div id="outerImageContainer">
196 // <div id="imageContainer">
197 // <img id="lightboxImage">
198 // <div style="" id="hoverNav">
199 // <a href="#" id="prevLink"></a>
200 // <a href="#" id="nextLink"></a>
201 // </div>
202 // <div id="loading">
203 // <a href="#" id="loadingLink">
204 // <img src="images/loading.gif">
205 // </a>
206 // </div>
207 // </div>
208 // </div>
209 // <div id="imageDataContainer">
210 // <div id="imageData">
211 // <div id="imageDetails">
212 // <span id="caption"></span>
213 // <span id="numberDisplay"></span>
214 // </div>
215 // <div id="bottomNav">
216 // <a href="#" id="bottomNavClose">
217 // <img src="images/close.gif">
218 // </a>
219 // </div>
220 // </div>
221 // </div>
222 // </div>
223
224
225 var objBody = document.getElementsByTagName("body").item(0);
226
227 var objOverlay = document.createElement("div");
228 objOverlay.setAttribute('id','overlay');
229 objOverlay.style.display = 'none';
230 objOverlay.onclick = function() { myLightbox.end(); }
231 objBody.appendChild(objOverlay);
232
233 var objLightbox = document.createElement("div");
234 objLightbox.setAttribute('id','lightbox');
235 objLightbox.style.display = 'none';
236 objLightbox.onclick = function(e) { // close Lightbox is user clicks shadow overlay
237 if (!e) var e = window.event;
238 var clickObj = Event.element(e).id;
239 if ( clickObj == 'lightbox') {
240 myLightbox.end();
241 }
242 };
243 objBody.appendChild(objLightbox);
244
245 var objOuterImageContainer = document.createElement("div");
246 objOuterImageContainer.setAttribute('id','outerImageContainer');
247 objLightbox.appendChild(objOuterImageContainer);
248
249 // When Lightbox starts it will resize itself from 250 by 250 to the current image dimension.
250 // If animations are turned off, it will be hidden as to prevent a flicker of a
251 // white 250 by 250 box.
252 if(animate){
253 Element.setWidth('outerImageContainer', 250);
254 Element.setHeight('outerImageContainer', 250);
255 } else {
256 Element.setWidth('outerImageContainer', 1);
257 Element.setHeight('outerImageContainer', 1);
258 }
259
260 var objImageContainer = document.createElement("div");
261 objImageContainer.setAttribute('id','imageContainer');
262 objOuterImageContainer.appendChild(objImageContainer);
263
264 var objLightboxImage = document.createElement("img");
265 objLightboxImage.setAttribute('id','lightboxImage');
266 objImageContainer.appendChild(objLightboxImage);
267
268 var objHoverNav = document.createElement("div");
269 objHoverNav.setAttribute('id','hoverNav');
270 objImageContainer.appendChild(objHoverNav);
271
272 var objPrevLink = document.createElement("a");
273 objPrevLink.setAttribute('id','prevLink');
274 objPrevLink.setAttribute('href','#');
275 objHoverNav.appendChild(objPrevLink);
276
277 var objNextLink = document.createElement("a");
278 objNextLink.setAttribute('id','nextLink');
279 objNextLink.setAttribute('href','#');
280 objHoverNav.appendChild(objNextLink);
281
282 var objLoading = document.createElement("div");
283 objLoading.setAttribute('id','loading');
284 objImageContainer.appendChild(objLoading);
285
286 var objLoadingLink = document.createElement("a");
287 objLoadingLink.setAttribute('id','loadingLink');
288 objLoadingLink.setAttribute('href','#');
289 objLoadingLink.onclick = function() { myLightbox.end(); return false; }
290 objLoading.appendChild(objLoadingLink);
291
292 var objLoadingImage = document.createElement("img");
293 objLoadingImage.setAttribute('src', fileLoadingImage);
294 objLoadingLink.appendChild(objLoadingImage);
295
296 var objImageDataContainer = document.createElement("div");
297 objImageDataContainer.setAttribute('id','imageDataContainer');
298 objLightbox.appendChild(objImageDataContainer);
299
300 var objImageData = document.createElement("div");
301 objImageData.setAttribute('id','imageData');
302 objImageDataContainer.appendChild(objImageData);
303
304 var objImageDetails = document.createElement("div");
305 objImageDetails.setAttribute('id','imageDetails');
306 objImageData.appendChild(objImageDetails);
307
308 var objCaption = document.createElement("span");
309 objCaption.setAttribute('id','caption');
310 objImageDetails.appendChild(objCaption);
311
312 var objNumberDisplay = document.createElement("span");
313 objNumberDisplay.setAttribute('id','numberDisplay');
314 objImageDetails.appendChild(objNumberDisplay);
315
316 var objBottomNav = document.createElement("div");
317 objBottomNav.setAttribute('id','bottomNav');
318 objImageData.appendChild(objBottomNav);
319
320 var objBottomNavCloseLink = document.createElement("a");
321 objBottomNavCloseLink.setAttribute('id','bottomNavClose');
322 objBottomNavCloseLink.setAttribute('href','#');
323 objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
324 objBottomNav.appendChild(objBottomNavCloseLink);
325
326 var objBottomNavCloseImage = document.createElement("img");
327 objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
328 objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
329 },
330
331
332 //
333 // updateImageList()
334 // Loops through anchor tags looking for 'lightbox' references and applies onclick
335 // events to appropriate links. You can rerun after dynamically adding images w/ajax.
336 //
337 updateImageList: function() {
338 if (!document.getElementsByTagName){ return; }
339 var anchors = document.getElementsByTagName('a');
340 var areas = document.getElementsByTagName('area');
341
342 // loop through all anchor tags
343 for (var i=0; i<anchors.length; i++){
344 var anchor = anchors[i];
345
346 var relAttribute = String(anchor.getAttribute('rel'));
347
348 // use the string.match() method to catch 'lightbox' references in the rel attribute
349 if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
350 anchor.onclick = function () {myLightbox.start(this); return false;}
351 }
352 }
353
354 // loop through all area tags
355 // todo: combine anchor & area tag loops
356 for (var i=0; i< areas.length; i++){
357 var area = areas[i];
358
359 var relAttribute = String(area.getAttribute('rel'));
360
361 // use the string.match() method to catch 'lightbox' references in the rel attribute
362 if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
363 area.onclick = function () {myLightbox.start(this); return false;}
364 }
365 }
366 },
367
368
369 //
370 // start()
371 // Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
372 //
373 start: function(imageLink) {
374
375 hideSelectBoxes();
376 hideFlash();
377
378 // stretch overlay to fill page and fade in
379 var arrayPageSize = getPageSize();
380 Element.setWidth('overlay', arrayPageSize[0]);
381 Element.setHeight('overlay', arrayPageSize[1]);
382
383 new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
384
385 imageArray = [];
386 imageNum = 0;
387
388 if (!document.getElementsByTagName){ return; }
389 var anchors = document.getElementsByTagName( imageLink.tagName);
390
391 // if image is NOT part of a set..
392 if((imageLink.getAttribute('rel') == 'lightbox')){
393 // add single image to imageArray
394 imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));
395 } else {
396 // if image is part of a set..
397
398 // loop through anchors, find other images in set, and add them to imageArray
399 for (var i=0; i<anchors.length; i++){
400 var anchor = anchors[i];
401 if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
402 imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
403 }
404 }
405 imageArray.removeDuplicates();
406 while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
407 }
408
409 // calculate top and left offset for the lightbox
410 var arrayPageScroll = getPageScroll();
411 var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
412 var lightboxLeft = arrayPageScroll[0];
413 Element.setTop('lightbox', lightboxTop);
414 Element.setLeft('lightbox', lightboxLeft);
415
416 Element.show('lightbox');
417
418 this.changeImage(imageNum);
419 },
420
421 //
422 // changeImage()
423 // Hide most elements and preload image in preparation for resizing image container.
424 //
425 changeImage: function(imageNum) {
426
427 activeImage = imageNum; // update global var
428
429 // hide elements during transition
430 if(animate){ Element.show('loading');}
431 Element.hide('lightboxImage');
432 Element.hide('hoverNav');
433 Element.hide('prevLink');
434 Element.hide('nextLink');
435 Element.hide('imageDataContainer');
436 Element.hide('numberDisplay');
437
438 imgPreloader = new Image();
439
440 // once image is preloaded, resize image container
441 imgPreloader.onload=function(){
442 Element.setSrc('lightboxImage', imageArray[activeImage][0]);
443 myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
444
445 imgPreloader.onload=function(){}; // clear onLoad, IE behaves irratically with animated gifs otherwise
446 }
447 imgPreloader.src = imageArray[activeImage][0];
448 },
449
450 //
451 // resizeImageContainer()
452 //
453 resizeImageContainer: function( imgWidth, imgHeight) {
454
455 // get curren width and height
456 this.widthCurrent = Element.getWidth('outerImageContainer');
457 this.heightCurrent = Element.getHeight('outerImageContainer');
458
459 // get new width and height
460 var widthNew = (imgWidth + (borderSize * 2));
461 var heightNew = (imgHeight + (borderSize * 2));
462
463 // scalars based on change from old to new
464 this.xScale = ( widthNew / this.widthCurrent) * 100;
465 this.yScale = ( heightNew / this.heightCurrent) * 100;
466
467 // calculate size difference between new and old image, and resize if necessary
468 wDiff = this.widthCurrent - widthNew;
469 hDiff = this.heightCurrent - heightNew;
470
471 if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
472 if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }
473
474 // if new and old image are same size and no scaling transition is necessary,
475 // do a quick pause to prevent image flicker.
476 if((hDiff == 0) && (wDiff == 0)){
477 if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);}
478 }
479
480 Element.setHeight('prevLink', imgHeight);
481 Element.setHeight('nextLink', imgHeight);
482 Element.setWidth( 'imageDataContainer', widthNew);
483
484 this.showImage();
485 },
486
487 //
488 // showImage()
489 // Display image and begin preloading neighbors.
490 //
491 showImage: function(){
492 Element.hide('loading');
493 new Effect.Appear('lightboxImage', { duration: resizeDuration, queue: 'end', afterFinish: function(){ myLightbox.updateDetails(); } });
494 this.preloadNeighborImages();
495 },
496
497 //
498 // updateDetails()
499 // Display caption, image number, and bottom nav.
500 //
501 updateDetails: function() {
502
503 // if caption is not null
504 if(imageArray[activeImage][1]){
505 Element.show('caption');
506 Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
507 }
508
509 // if image is part of set display 'Image x of x'
510 if(imageArray.length > 1){
511 Element.show('numberDisplay');
512 Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length);
513 }
514
515 new Effect.Parallel(
516 [ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }),
517 new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration }) ],
518 { duration: resizeDuration, afterFinish: function() {
519 // update overlay size and update nav
520 var arrayPageSize = getPageSize();
521 Element.setHeight('overlay', arrayPageSize[1]);
522 myLightbox.updateNav();
523 }
524 }
525 );
526 },
527
528 //
529 // updateNav()
530 // Display appropriate previous and next hover navigation.
531 //
532 updateNav: function() {
533
534 Element.show('hoverNav');
535
536 // if not first image in set, display prev image button
537 if(activeImage != 0){
538 Element.show('prevLink');
539 document.getElementById('prevLink').onclick = function() {
540 myLightbox.changeImage(activeImage - 1); return false;
541 }
542 }
543
544 // if not last image in set, display next image button
545 if(activeImage != (imageArray.length - 1)){
546 Element.show('nextLink');
547 document.getElementById('nextLink').onclick = function() {
548 myLightbox.changeImage(activeImage + 1); return false;
549 }
550 }
551
552 this.enableKeyboardNav();
553 },
554
555 //
556 // enableKeyboardNav()
557 //
558 enableKeyboardNav: function() {
559 document.onkeydown = this.keyboardAction;
560 },
561
562 //
563 // disableKeyboardNav()
564 //
565 disableKeyboardNav: function() {
566 document.onkeydown = '';
567 },
568
569 //
570 // keyboardAction()
571 //
572 keyboardAction: function(e) {
573 if (e == null) { // ie
574 keycode = event.keyCode;
575 escapeKey = 27;
576 } else { // mozilla
577 keycode = e.keyCode;
578 escapeKey = e.DOM_VK_ESCAPE;
579 }
580
581 key = String.fromCharCode(keycode).toLowerCase();
582
583 if((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)){ // close lightbox
584 myLightbox.end();
585 } else if((key == 'p') || (keycode == 37)){ // display previous image
586 if(activeImage != 0){
587 myLightbox.disableKeyboardNav();
588 myLightbox.changeImage(activeImage - 1);
589 }
590 } else if((key == 'n') || (keycode == 39)){ // display next image
591 if(activeImage != (imageArray.length - 1)){
592 myLightbox.disableKeyboardNav();
593 myLightbox.changeImage(activeImage + 1);
594 }
595 }
596
597 },
598
599 //
600 // preloadNeighborImages()
601 // Preload previous and next images.
602 //
603 preloadNeighborImages: function(){
604
605 if((imageArray.length - 1) > activeImage){
606 preloadNextImage = new Image();
607 preloadNextImage.src = imageArray[activeImage + 1][0];
608 }
609 if(activeImage > 0){
610 preloadPrevImage = new Image();
611 preloadPrevImage.src = imageArray[activeImage - 1][0];
612 }
613
614 },
615
616 //
617 // end()
618 //
619 end: function() {
620 this.disableKeyboardNav();
621 Element.hide('lightbox');
622 new Effect.Fade('overlay', { duration: overlayDuration});
623 showSelectBoxes();
624 showFlash();
625 }
626 }
627
628 // -----------------------------------------------------------------------------------
629
630 //
631 // getPageScroll()
632 // Returns array with x,y page scroll values.
633 // Core code from - quirksmode.com
634 //
635 function getPageScroll(){
636
637 var xScroll, yScroll;
638
639 if (self.pageYOffset) {
640 yScroll = self.pageYOffset;
641 xScroll = self.pageXOffset;
642 } else if (document.documentElement && document.documentElement.scrollTop){ // Explorer 6 Strict
643 yScroll = document.documentElement.scrollTop;
644 xScroll = document.documentElement.scrollLeft;
645 } else if (document.body) {// all other Explorers
646 yScroll = document.body.scrollTop;
647 xScroll = document.body.scrollLeft;
648 }
649
650 arrayPageScroll = new Array(xScroll,yScroll)
651 return arrayPageScroll;
652 }
653
654 // -----------------------------------------------------------------------------------
655
656 //
657 // getPageSize()
658 // Returns array with page width, height and window width, height
659 // Core code from - quirksmode.com
660 // Edit for Firefox by pHaez
661 //
662 function getPageSize(){
663
664 var xScroll, yScroll;
665
666 if (window.innerHeight && window.scrollMaxY) {
667 xScroll = window.innerWidth + window.scrollMaxX;
668 yScroll = window.innerHeight + window.scrollMaxY;
669 } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
670 xScroll = document.body.scrollWidth;
671 yScroll = document.body.scrollHeight;
672 } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
673 xScroll = document.body.offsetWidth;
674 yScroll = document.body.offsetHeight;
675 }
676
677 var windowWidth, windowHeight;
678
679 // console.log(self.innerWidth);
680 // console.log(document.documentElement.clientWidth);
681
682 if (self.innerHeight) { // all except Explorer
683 if(document.documentElement.clientWidth){
684 windowWidth = document.documentElement.clientWidth;
685 } else {
686 windowWidth = self.innerWidth;
687 }
688 windowHeight = self.innerHeight;
689 } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
690 windowWidth = document.documentElement.clientWidth;
691 windowHeight = document.documentElement.clientHeight;
692 } else if (document.body) { // other Explorers
693 windowWidth = document.body.clientWidth;
694 windowHeight = document.body.clientHeight;
695 }
696
697 // for small pages with total height less then height of the viewport
698 if(yScroll < windowHeight){
699 pageHeight = windowHeight;
700 } else {
701 pageHeight = yScroll;
702 }
703
704 // console.log("xScroll " + xScroll)
705 // console.log("windowWidth " + windowWidth)
706
707 // for small pages with total width less then width of the viewport
708 if(xScroll < windowWidth){
709 pageWidth = xScroll;
710 } else {
711 pageWidth = windowWidth;
712 }
713 // console.log("pageWidth " + pageWidth)
714
715 arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight)
716 return arrayPageSize;
717 }
718
719 // -----------------------------------------------------------------------------------
720
721 //
722 // getKey(key)
723 // Gets keycode. If 'x' is pressed then it hides the lightbox.
724 //
725 function getKey(e){
726 if (e == null) { // ie
727 keycode = event.keyCode;
728 } else { // mozilla
729 keycode = e.which;
730 }
731 key = String.fromCharCode(keycode).toLowerCase();
732
733 if(key == 'x'){
734 }
735 }
736
737 // -----------------------------------------------------------------------------------
738
739 //
740 // listenKey()
741 //
742 function listenKey () { document.onkeypress = getKey; }
743
744 // ---------------------------------------------------
745
746 function showSelectBoxes(){
747 var selects = document.getElementsByTagName("select");
748 for (i = 0; i != selects.length; i++) {
749 selects[i].style.visibility = "visible";
750 }
751 }
752
753 // ---------------------------------------------------
754
755 function hideSelectBoxes(){
756 var selects = document.getElementsByTagName("select");
757 for (i = 0; i != selects.length; i++) {
758 selects[i].style.visibility = "hidden";
759 }
760 }
761
762 // ---------------------------------------------------
763
764 function showFlash(){
765 var flashObjects = document.getElementsByTagName("object");
766 for (i = 0; i < flashObjects.length; i++) {
767 flashObjects[i].style.visibility = "visible";
768 }
769
770 var flashEmbeds = document.getElementsByTagName("embed");
771 for (i = 0; i < flashEmbeds.length; i++) {
772 flashEmbeds[i].style.visibility = "visible";
773 }
774 }
775
776 // ---------------------------------------------------
777
778 function hideFlash(){
779 var flashObjects = document.getElementsByTagName("object");
780 for (i = 0; i < flashObjects.length; i++) {
781 flashObjects[i].style.visibility = "hidden";
782 }
783
784 var flashEmbeds = document.getElementsByTagName("embed");
785 for (i = 0; i < flashEmbeds.length; i++) {
786 flashEmbeds[i].style.visibility = "hidden";
787 }
788
789 }
790
791
792 // ---------------------------------------------------
793
794 //
795 // pause(numberMillis)
796 // Pauses code execution for specified time. Uses busy code, not good.
797 // Help from Ran Bar-On [ran2103@gmail.com]
798 //
799
800 function pause(ms){
801 var date = new Date();
802 curDate = null;
803 do{var curDate = new Date();}
804 while( curDate - date < ms);
805 }
806 /*
807 function pause(numberMillis) {
808 var curently = new Date().getTime() + sender;
809 while (new Date().getTime();
810 }
811 */
812 // ---------------------------------------------------
813 var myLightbox = null
814 function initLightbox() { myLightbox = new Lightbox(); }
815 Event.observe(window, 'load', initLightbox, false);