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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>Opacity Sample</title> | |
| <style> | |
| .gallery {display:none;} | |
| </style> | |
| <script> | |
| function Gid(id) { | |
| return document.getElementById(id); | |
| } | |
| var CurrentImg = 0; | |
| /* | |
| opac is a value from 0 - 100. A lower value makes | |
| the element more transparent. | |
| */ | |
| var Fade = function () { | |
| var o, opac, delta, TimerId = false, OnDone; | |
| function OnTimer() { | |
| if (TimerId) | |
| clearTimeout(TimerId); | |
| TimerId = false; | |
| if (o == null) | |
| return; | |
| o.style.opacity = opac; | |
| opac += delta; | |
| if (delta > 0 ? opac < 1 : opac > 0) | |
| TimerId = setTimeout(OnTimer, 100); | |
| else if (typeof OnDone == "function") | |
| OnDone(); | |
| } | |
| return function (id, FadeOut, OnDone_) { | |
| delta = 0.1; opac = 0; | |
| OnDone = OnDone_; | |
| if (FadeOut) { | |
| opac = 1; delta *= -1; | |
| } | |
| o = Gid(id); | |
| OnTimer(); | |
| } | |
| }(); | |
| function OnFini () { | |
| var id = "I" + CurrentImg; | |
| if (Gid(id) != null) | |
| Gid(id).style.display = "none"; | |
| CurrentImg++; | |
| id = "I" + CurrentImg; | |
| if (Gid(id) == null) | |
| id = "I" + (CurrentImg = 1); | |
| Gid(id).style.display = "inline"; | |
| Fade(id, false); | |
| } | |
| function OnNext() { | |
| var id = "I" + CurrentImg; | |
| if (Gid(id) != null) | |
| Fade(id, true, OnFini); | |
| } | |
| </script> | |
| </head> | |
| <body onload="OnFini()"> | |
| <!-- | |
| <button onclick="Fade('I1',true)">Fade Out</button> | |
| <button onclick="Fade('I1',false)">Fade In</button><br> | |
| --> | |
| <table align='center'><tr><td align='center'> | |
| <button onclick="OnNext()">Next</button> | |
| </td></tr> | |
| <tr><td align='center'> | |
| <img id="I1" class="gallery" src="https://fbcdn-profile-a.akamaihd.net/hprofile-ak-frc1/c13.12.155.155/s100x100/374448_539793346087578_1939199766_a.jpg"/><br> | |
| <img id="I2" class="gallery" src="https://fbcdn-profile-a.akamaihd.net/hprofile-ak-prn1/c52.0.90.90/935651_101910783350174_556838103_n.jpg"/><br> | |
| <img id="I3" class="gallery" src="https://fbcdn-profile-a.akamaihd.net/hprofile-ak-ash4/c32.9.117.117/s100x100/1002495_552379128154792_1356676700_a.jpg"/> | |
| <div id="I4" class="gallery"><big><big>End of the Show!</big></big></div> | |
| </td></tr></table> | |
| </body> | |
| </html> |
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