Question

side scrolling image ?

Asked by: exxos_uk

I was looking at this example here http://buildinternet.com/live/curtains/  and wanted to do a similar thing.

What I did was replace the 2 side images with 2 halves of a image. So now its a title image which gets drawn back. Though I am having problems getting the whole thing to align in the center of a page rather than filling it all up. I did get close to it working but the images overlap and start doing strange things..

In anycase, all I really want to do is display the title image in the center of the screen, then when it is clicked, the 2 halves just scroll to the sides which then uncover a 3rd image behind the first 2 sliding images. I dont need the squashing effect like in the example url, so it should be just a matter of altering the X locations of the pictures.. Like the left image just gets moved 500px to the left, and the right image 500px to the right.

Im not much good with CSS , I tend to locate my images in simple tables as it saves a lot of problems across browsers, though it may need CSS to do the scrolling effect ? either way I can't see how to alter a image location in realtime unless I enclosed the images in a div and altered its contents so it just redraws the images from a JS loop, would probably work, but have a feeling it would flicker as the image was redrawn. .help!

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Asked On
2009-10-30 at 07:46:07ID24858197
Topics

JavaScript

,

Cascading Style Sheets (CSS)

Participating Experts
1
Points
500
Comments
6

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Answers

 

by: exxos_ukPosted on 2009-10-30 at 08:54:42ID: 25704191

well.. i am trying! does not seem to do anything but im sure it should!

<html>
<body  onload="javascript: mo();">
<script type="text/javascript">
 
var xx;
var image1;
 
function mo(){
if(xx>=200){
   xx=xx-1;
document.getElementById("image1").style.left=xx+"px";
chip.timer1=setTimeout("mo()",100);
}
}
 
 
</script>
 
<DIV ID="image1" STYLE="position:absolute; left: 555px; width:47; height:68;; top: 65px"> 
  <A HREF="#"><IMG SRC="test.gif" BORDER=0></a> </DIV>
 
</body>
</html>

                                              
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by: exxos_ukPosted on 2009-10-30 at 08:56:18ID: 25704215

wrong code above.. new code below..

<html>
<body  onload="javascript: mo();">
<script type="text/javascript">
 
var xx;
 
function mo(){
if(xx>=200){
   xx=xx-1;
document.getElementById("image1").style.left=xx+"px";
setTimeout("mo()",100);
}
}
 
</script>
<DIV ID="image1" STYLE="position:absolute; left: 555px; width:47; height:68;; top: 65px"> 
  <A HREF="#"><IMG SRC="test.gif" BORDER=0></a> </DIV>
 
</body>
</html>

                                              
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by: exxos_ukPosted on 2009-10-30 at 08:59:18ID: 25704250

next code works!! but i think it pretty sux, long way off trying to seperate 2 images yet! think im gonna need more coffee .. or vodka.. not sure yet...

<html>
<body  onload="javascript: mo();">
<script type="text/javascript">
 
var xx=555;
 
function mo(){
if(xx>=200){
   xx=xx-1;
document.getElementById("image1").style.left=xx+"px";
setTimeout("mo()",100);
}
}
 
</script>
<DIV ID="image1" STYLE="position:absolute; left: 555px; width:47; height:68;; top: 65px"> 
  <A HREF="#"><IMG SRC="test.gif" BORDER=0></a> </DIV>
 
</body>
</html>

                                              
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by: exxos_ukPosted on 2009-10-30 at 09:06:04ID: 25704325

needs 2 images 512x768  does work!!  well kinda... best my limitations can do!

<html>
<body  onload="javascript: mo();">
<script type="text/javascript">
 
var xx=100; 
var x=615;  
 
function mo(){
if(xx>-200){
   xx=xx-10;
   x=x+10;
document.getElementById("image1").style.left=xx+"px";
document.getElementById("image2").style.left=x+"px";
setTimeout("mo()",100);
}
}
 
</script>
<DIV ID="image1" STYLE="position:absolute; left: 100px;  top: 50px"> 
  <A HREF="#"><IMG SRC="frontcurtaina.jpg" BORDER=0 width="512" height="768"></a> 
</DIV>
 
<DIV ID="image2" STYLE="position:absolute; left: 615px;  top: 50px"> 
  <A HREF="#"><IMG SRC="frontcurtainb.jpg" BORDER=0 width="512" height="768"></a> 
</DIV>
 
</body>
</html>

                                              
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by: ziffgonePosted on 2009-10-30 at 22:01:03ID: 25708537

I think your best bet is to use the jQuery Javascript framework like the example link you gave above does. It's built in animation function does the trick nicely.

Try this example:

<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
  <title></title>
  <link rev="made" href="mailto:" />
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  <meta name="generator" content="NoteTab Pro 6.12" />
  <meta name="author" content="Perry Wolf" />
  <meta name="description" content="" />
  <meta name="keywords" content="" />
  <style type="text/css">
  body {margin:0px;}
  </style>
  <script type="text/javascript" src="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></script>
  <script type="text/javascript">
  $(document).ready(function(){
       var midleft=(Math.round($('#backimage').width()/2-1));
       var midright=(Math.round($('#backimage').width()/2+1));
       var leftmove=midleft - $('#image1').width()-midleft-2;
       $('#image1').css({top: '0px', right: midleft+'px'});
       $('#image2').css({top: '0px', left: midright+'px'});
       $('.curtain').click(function(){
            $('#image1').animate({left: leftmove+'px'},4000);
            $('#image2').animate({left: $('#backimage').width()+'px'},4000);
 
       });
  });
  </script>
</head> 
<body>
<div id="backimage" style="position:relative;background:#000000;width:100%;height:768px;margin:0px;overflow:hidden;z-index:1;"> 
<DIV ID="image1" class="curtain" STYLE="position:absolute;background:#FFFFFF;border:solid 1px #FF0000;width:800px;height:768px;z-index:10;"> 
  <A HREF="#"><IMG SRC="frontcurtaina.jpg" BORDER=0 width="512" height="768"></a> 
</DIV>
 
<DIV ID="image2" class="curtain" STYLE="position:absolute;background:#F0F0F0;border:solid 1px #FF0000;width:800px;height:768px;z-index:10;"> 
  <A HREF="#"><IMG SRC="frontcurtainb.jpg" BORDER=0 width="512" height="768"></a> 
</DIV> 
</div>
</body>
</html>

                                              
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by: exxos_ukPosted on 2009-10-31 at 02:14:15ID: 25708960

thanks, i will look into using the jQuery  lib.

20120131-EE-VQP-002

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