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Simple Image Rotation in JavaScript

Discussion in 'JavaScript and AJAX' started by pradeep, Jul 15, 2006.

  1. pradeep

    pradeep Team Leader

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    Sometimes, we need to rotate images on ours web pages, it may be ads or some simple images.Below you'll find the code for implementing the same.
    You can create as many image rotations you want, you just need to specify the urls of the images in an Array, and the object where the image will be shown. The function RotateImages is called with the Array/Img Object number, and at what index of the array the rotation should start.

    HTML:
    <html>
      <head>
      <title>Image Rotate
      </head>
      
      <body>
      <img src="" name="Rotating" id="Rotating1" width=100 height=100>
      <img src="" name="Rotating" id="Rotating2" width=100 height=100>
      
      
      <script language="JavaScript">
      var ImageArr1 = new Array("Picture(3).jpg","Picture(1).jpg","Picture(2).jpg");
      var ImageHolder1 = document.getElementById('Rotating1');
      
      var ImageArr2 = new Array("Picture(5).jpg","Picture(6).jpg","Picture(7).jpg");
      var ImageHolder2 = document.getElementById('Rotating2');
      
      function RotateImages(whichHolder,Start)
      {
      	var a = eval("ImageArr"+whichHolder);
      	var b = eval("ImageHolder"+whichHolder);
      	if(Start>=a.length)
      		Start=0;
      	b.src = a[Start];
      	window.setTimeout("RotateImages("+whichHolder+","+(Start+1)+")",1500);
      }
      
      RotateImages(1,0);
      RotateImages(2,0);
      
      </script>
      
      </body>
      </html>
    Few more Interesting JavaScript Scripts

    Auto Suggest with Javascript
    Hide/Show and Toggle DIV usng JavaScript
    Arrays in Java script
    Sorting A Un-Ordered List (UL) Using JavaScript
    Timer In JavaScript
     
  2. vikas

    vikas New Member

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    Well,this is OKay,but could you guide me how to slide the image using java script
     
  3. vikas

    vikas New Member

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    Well,this is OKay,but could you guide me how to slide the image using java script
    THANK YOU
     
  4. pradeep

    pradeep Team Leader

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    Well, this script rotates the image at a preset timed interval, but for sliding the image, u'll need to change the position of the image using a javascript timer.
    u can gradually increase the left css value, then it'll slide from left to right!
     
  5. vin2785

    vin2785 New Member

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    hi! quick question, i've followed this tutorial and got the images to rotate...

    my javascript knowledge is quite weak...

    i want each image to link to a different page...how would i go about doing this? i know you mention specifying the urls in an array but i have no idea how, as i said my javascript knowledge is weak..

    Thanks in advance!
     
  6. pradeep

    pradeep Team Leader

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    You'll need to create a two-dimensional array in this case! Try it out and keep us posted with code snippets.
     
  7. gkumar

    gkumar New Member

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    I like simplicity, especially with code. After wasting hours trying to tweak a flashy image rotation Javascript, complete with .js files to include, I gave up, called up the Google, and found this wonderfully simple code from a throwaway response on an online forum:

    Here’s how it works. See the div labelled “home-photo”? That wraps around the image that is to be replaced with other images. The img tag within the home-photo div has its own id=”photo” element which, no surprise, is called in the var ImageHolder1 = document.getElementById(’photo’). If you want to change the id=photo element to, say, id=xyz then you just change ‘photo’ to ‘xyz’ in the var ImageHolder1 = document.getElementById(’xyz’) line. (By the way, ‘var’ is shorthand for variable. You’re just setting a variable that grabs the element tagged id=”xyz”.)

    To specify the images to rotate, just add file path and image names to the var ImageArr1 = new Array(”", “”, “”) line. Be careful to wrap each file path and image name with double quotes with a comma between each and you’ll be fine.

    The last element to set is the ‘3500′ at the end of the window.setTimeout(..) line. That’s the number of milliseconds between the display of each image.

    This code does not have fancy wipes, dissolves, or other whizzy features. But it doesn’t require include references to javascript files and other complexity that can go horribly wrong horribly fast. Just tweak this code and drop the Javascript part at the bottom of your web pages or templates (so it doesn’t get in the way of search bots). The image, the “home-photo” div in this example, goes where it goes in your design.
     
  8. husen

    husen New Member

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    Hello friends,

    I was quite interesting to view those expert sharing their expertise over here.
    Please help me to solve my conflict over "rotating image" issue.

    I have a webpage and the header image was set in my CSS as 'header-bg.jpg'. I would like to add more than 1 image in my header, meaning that the header image will rotate one to another after few seconds.

    Please help me to work on the right coding.

    This is my CSS:

    Code:
    /* CSS Document */
    
    * {    margin:0; padding:0; font-size:100%;}
    
    body{ background:#01245c; text-align:center;}
    .top-tail{ background:url(images/top-tail.jpg) top repeat-x #fff;}
    .top-bg{ background:url(images/body-bg.jpg) top center no-repeat;}
    .bot-tail{ background:url(images/bot-tail.gif) bottom repeat-x;}
    
    img {vertical-align:top;}
    a img { border:0;}
    ul { list-style:none;}
    
    .left { float:left;}
    .right {float:right;}
    .clear  { clear:both;}
    
    html{ font-family:Arial, Helvetica, sans-serif; font-size:0.7275em; line-height:1.364em; color:#0e1a27;}
    input, select { vertical-align:middle; font-weight:normal;}
    
    a {color:#ffffff;}
    a:hover{text-decoration:none;}
    p {padding-top:15px;}
    h5{ font-size:1.236em; color:#0b4f88; font-weight:bold; padding-bottom:9px;}
    .strong1{ color:#28a5ce; display:block; font-size:1.091em;}
    cite{ font-style:normal;}
    
    /* ============================= main layout ====================== */
    .imgindent {margin:0 15px 0 0; float:left;}
    .phone{ float:right; padding-right:215px;}
    .space1{ margin-left:13px;}
    .space2{ margin-left:70px;}
    .margin1{ margin-top:25px !important;}
    .padding1{ padding-top:9px;}
    .padding2{ padding-top:20px;}
    .padding3{ padding-top:25px;}
    .padding4{ padding-bottom:50px !important;}
    
    /* ============================= header ====================== */
    .flash{ height:178px;}
    #header{ font-size:0.909em; background:url(images/header-bg.jpg) bottom left no-repeat;}
    #header .banner{ display:inline-block; margin:5px 0 4px 0;}
    #header .slogan{ padding:123px 0 0 335px;}
    
    /* ============================= content ====================== */
    #content{ background:url(images/content-corner-left.gif) left top no-repeat #fff; margin-top:2px;}
    #content .right-corner{ background:url(images/content-corner-right.gif) right top no-repeat; padding:24px 10px 20px 24px;}
    .column-2{ color:#000000; line-height:1.273em;}
    .line{ background:url(images/line.gif) repeat-y 630px 0; padding-bottom:30px;}
    .line2{ background:url(images/line.gif) repeat-y 630px 0; padding-bottom:60px;}
    .title{ padding-bottom:11px;}
    .title2{ padding-bottom:20px;}
    .text{ font-size:1.071em; line-height:1.3em;}
    .text p{ padding-top:18px;}
    .text1{ font-size:0.909em; color:#aeaeae; font-style:italic; display:block; }
    
    .indent1{ padding-right:20px;}
    .indent2{ padding:0 10px 0 17px;}
    
    .unline{ border-bottom:solid 1px #444546; padding-bottom:22px; margin-bottom:20px;}
    .link1{ font-size:1.091em; color:#051047; font-weight:bold; display:inline-block; margin:11px 40px 0 0;}
    .link2{ font-size:1.091em; color:#525252; font-weight:bold; display:inline-block; margin-top:11px;}
    .link3{ color:#525252;}
    
    .box{ background:url(images/box-tail.gif) repeat-y; margin-top:32px; border-top:solid 1px #000000; font-size:1.091em; line-height:1.333em; color:#fff;}
    .box .bot-bg{ background:url(images/box-bg.gif) bottom no-repeat; padding:17px 10px 28px 17px;}
    .box .title{ padding-bottom:6px;}
    
    .list li{ font-size:1.091em; line-height:1.5em;}
    .list a{ font-weight:bold; color:#525252;}
    .list span{ font-size:0.917em; line-height:1.364em; color:#0e1a27;}
    
    /* ============================= footer ====================== */
    #footer{ color:#ffffff;}
    #footer a{ color:#000000; font-weight:bold;}
    #footer .text{ padding:17px 0 0 84px;}
     
    Last edited by a moderator: Sep 1, 2009
  9. khush

    khush New Member

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    i wanna to link every rotating image to sum page..
    Can u plz tell me how to go abt 4 dis???
     
  10. phisolophe

    phisolophe New Member

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    A simplified version with just one set of images...with some URLs attached to the images...The timeout is in miliseconds...3000 = 3 seconds...

    Hope this helps...

    Code:
    <body>
    <a id="imageurl" ><img id="Rotating1" border="0"></img></a>
    <script language="JavaScript">
      
       function RotateImages(Start)
      {
          var a = new Array("image1.jpg","image2.jpg","image3.jpg", "image4.jpg");
          var c = new Array("url1", "url2", "url3", "url4");
          var b = document.getElementById('Rotating1');
          var d = document.getElementById('imageurl');
          if(Start>=a.length)
              Start=0;
          b.src = a[Start];
          d.href = c[Start];
          window.setTimeout("RotateImages(" + (Start+1) + ")",3000);
      }
      
      RotateImages(0);
      
      </script>
    
    </body>
     
    aliens and shabbir like this.
  11. red

    red New Member

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    This code is great! I have a quick question - well two questions.

    1) Is there anyway to have my three images rotate once and then stop?

    2) Can I use some Javascript so the rotation only occurs on the home page of my site and not on any subsequent pages?

    Thank you!
    Rachel
     
  12. shiqinzhang

    shiqinzhang New Member

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    Hi experts,

    I saw enough codes on the internet telling me how to Swap Image between images. But I want someone to tell me how to swap between images and Flash .swf files. My design was after a user clicks on a thumbnail on the top of a web page, the bigger picture below that will swap accordingly. Those bigger pictures include be both .jpg images or .swf files. Thanks a lot!!!!!

    03/31/2010
     
  13. dichotom

    dichotom New Member

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    I just wanted to thank you for this code snippet, I have been scouring for a small fast loading script that worked in all browsers (at least ie6 and above) and had the exact features of rotation and url's assigned to each one. I was looking at jquery scripts, which are awesome, but it's just too much overhead for my project. I am hand coding a site and I want: 1) no external libraries 2) small as possible overhead 3) xhtml 1.0 transitional certified

    You helped me accomplish 1 and 2, here is 3:

    Code:
    <a id="imageurl" name="imageurl"><img src="Rotating1" id="Rotating1" border="0" alt="Rotating1" name="Rotating1" /></a>
    <script language="javascript" type="text/javascript">
      
       function RotateImages(Start)
      {
          var a = new Array("1.jpg","2.jpg","3.jpg", "4.jpg");
          var c = new Array("url1", "url2", "url3", "url4");
          var b = document.getElementById('Rotating1');
          var d = document.getElementById('imageurl');
          if(Start>=a.length)
              Start=0;
          b.src = a[Start];
          d.href = c[Start];
          window.setTimeout("RotateImages(" + (Start+1) + ")",3000);
      }
      
      RotateImages(0);
      
      </script>
    
    Minor changes, I know, but if someone wants/needs xhtml 1.0 transitional there it is. I started out going for xhtml 1.0 strict, but it become to restraining (see: bitchy)
    Thank you so much, I hope someone finds this useful!
     
  14. dichotom

    dichotom New Member

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    Anyone have an idea as to how to make the rotation pause on mouseover? If I find it first, I will post back..
     
  15. dichotom

    dichotom New Member

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    Code:
    <a id="imageurl" name="imageurl"><img src="Rotating1" id="Rotating1" border="0" alt="Rotating1" name="Rotating1" onmouseover="StopRotation();" onmouseout="RotateImages();"/></a>
    <script language="javascript" type="text/javascript">
    
      var currentImage = 0;
      function RotateImages()
      {
        var a = new Array("1.jpg","2.jpg","3.jpg", "4.jpg");
        var c = new Array("url1", "url2", "url3", "url4");
        var b = document.getElementById('Rotating1');
        var d = document.getElementById('imageurl');
    
        currentImage++;
    
        if(currentImage>= a.length)
          currentImage=0;
    
        b.src = a[currentImage];
        d.href = c[currentImage];
    
        rotator = window.setTimeout("RotateImages(" + (currentImage+1) + ")",3000);
      }
    
      function StopRotation()
      {
        window.clearTimeout(rotator);
      }
    
      RotateImages();
    
    </script>
    
    There we go, pauses on mouseover, and then continues to next image on mouseout. Still xhtml 1.0 trasitional certified.
     
  16. dichotom

    dichotom New Member

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    Change:

    Code:
     var currentImage = 0;
    
    to

    Code:
     var currentImage = -1;
    
    so it starts on the first image in the array.
     
  17. tativitsic

    tativitsic New Member

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    How do I add a soft transition between the images?
     
  18. shabbir

    shabbir Administrator Staff Member

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    jQuery supports all sorts of transitions. Try using it.
     
  19. tativitsic

    tativitsic New Member

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    Sorry, but I'm a designer... :freak: No idea how to do that.
    Can you show me an example please?
     
  20. shabbir

    shabbir Administrator Staff Member

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