lets wrap the form
[Braintube.git] / 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 = "/ikiwiki/images/loading.png";           
66 var fileBottomNavCloseImage = "/ikiwiki/images/closelabel.png";
67
68 var overlayOpacity = 0.8;       // controls transparency of shadow overlay
69
70 var animate = true;                     // toggles resizing animations
71 var resizeSpeed = 7;            // 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.png">
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.png">
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 pngs 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
814
815
816 function initLightbox() { myLightbox = new Lightbox(); }
817 Event.observe(window, 'load', initLightbox, false);