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  1. PO
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    <p>I changed your code a bit, but didn't tested it, so please check it, but it should work.</p> <pre><code>&lt;script language="javascript"&gt; var delay=7000; //set delay in miliseconds var curindex=0; var randomimages= []; randomimages[0]="content/indsidebar1(2).jpg"; randomimages[1]="content/indsidebar2.jpg"; randomimages[2]="content/indsidebar3(3).jpg"; randomimages[3]="content/indsidebar6a.jpg"; randomimages[4]="content/indsidebar5.jpg"; randomimages[5]="content/indsidebar6.jpg"; randomimages[6]="content/indsidebar7.jpg"; randomimages[7]="content/indsidebar8.jpg"; randomimages[8]="content/indsidebar9.jpg"; randomimages[9]="content/indsidebar10.JPG"; randomimages[10]="content/commersidebar1.JPG"; randomimages[11]="content/commersidebar2.JPG"; randomimages[12]="content/commersidebar4.JPG"; randomimages[13]="content/commersidebar5.JPG"; randomimages[14]="content/commersidebar6.JPG"; randomimages[15]="content/commersidebar7.JPG"; randomimages[16]="content/ressidebar1.JPG"; randomimages[17]="content/ressidebar2.JPG"; randomimages[18]="content/ressidebar3.JPG"; randomimages[19]="content/ressidebar4.JPG"; randomimages[20]="content/communsidebar1.JPG"; randomimages[21]="content/communsidebar3.JPG"; randomimages[22]="content/communsidebar4.JPG"; randomimages[23]="content/communsidebar5.JPG"; randomimages[24]="content/communsidebar6.JPG"; randomimages[25]="content/communsidebar7.JPG"; randomimages[26]="content/communsidebar8.JPG"; randomimages[27]="content/communsidebar10.JPG"; randomimages[28]="content/undersidebar1.jpg"; randomimages[29]="content/undersidebar2(1).jpg"; randomimages[30]="content/undersidebar3.jpg"; randomimages[31]="content/undersidebar4.jpg"; randomimages[32]="content/servicesidebar1.jpg"; randomimages[33]="content/servicesidebar2.jpg"; randomimages[34]="content/servicesidebar6.jpg"; randomimages[35]="content/servicesidebar4.JPG"; randomimages[36]="content/servicesidebar5.JPG"; //You are not using preload anywhere so it is not necessary var irand = Math.floor(Math.random()*(randomimages.length)); document.write('&lt;img name="defaultimage" src="'+randomimages[irand]+'"&gt;'); var shown = []; shown[irand] = true; function rotateimage() { var itemp = Math.floor(Math.random()*(randomimages.length)); if(shown[itemp]) return; document.images.defaultimage.src=randomimages[itemp]; shown[itemp] = true; if (shown.length == 36) shown = []; } setInterval(rotateimage, delay); &lt;/script&gt; </code></pre> <p><strong>Update:</strong> Corrected version: </p> <pre><code>&lt;script language="javascript"&gt; var delay=7000; //set delay in miliseconds var curindex=0; var randomimages= []; randomimages[0]="content/indsidebar1(2).jpg"; randomimages[1]="content/indsidebar2.jpg"; randomimages[2]="content/indsidebar3(3).jpg"; randomimages[3]="content/indsidebar6a.jpg"; randomimages[4]="content/indsidebar5.jpg"; randomimages[5]="content/indsidebar6.jpg"; randomimages[6]="content/indsidebar7.jpg"; randomimages[7]="content/indsidebar8.jpg"; randomimages[8]="content/indsidebar9.jpg"; randomimages[9]="content/indsidebar10.JPG"; randomimages[10]="content/commersidebar1.JPG"; randomimages[11]="content/commersidebar2.JPG"; randomimages[12]="content/commersidebar4.JPG"; randomimages[13]="content/commersidebar5.JPG"; randomimages[14]="content/commersidebar6.JPG"; randomimages[15]="content/commersidebar7.JPG"; randomimages[16]="content/ressidebar1.JPG"; randomimages[17]="content/ressidebar2.JPG"; randomimages[18]="content/ressidebar3.JPG"; randomimages[19]="content/ressidebar4.JPG"; randomimages[20]="content/communsidebar1.JPG"; randomimages[21]="content/communsidebar3.JPG"; randomimages[22]="content/communsidebar4.JPG"; randomimages[23]="content/communsidebar5.JPG"; randomimages[24]="content/communsidebar6.JPG"; randomimages[25]="content/communsidebar7.JPG"; randomimages[26]="content/communsidebar8.JPG"; randomimages[27]="content/communsidebar10.JPG"; randomimages[28]="content/undersidebar1.jpg"; randomimages[29]="content/undersidebar2(1).jpg"; randomimages[30]="content/undersidebar3.jpg"; randomimages[31]="content/undersidebar4.jpg"; randomimages[32]="content/servicesidebar1.jpg"; randomimages[33]="content/servicesidebar2.jpg"; randomimages[34]="content/servicesidebar6.jpg"; randomimages[35]="content/servicesidebar4.JPG"; randomimages[36]="content/servicesidebar5.JPG"; //You are not using preload anywhere so it is not necessary var irand = Math.floor(Math.random()*(randomimages.length)); document.write('&lt;img name="defaultimage" src="'+randomimages[irand]+'"&gt;'); var shown = []; shown[irand] = true; function rotateimage() { var itemp = Math.floor(Math.random()*(randomimages.length)); if(shown[itemp]) return; document.images.defaultimage.src=randomimages[itemp]; shown[itemp] = true; if (shown.length == 36) shown.pop(); } setInterval(rotateimage, delay); &lt;/script&gt; </code></pre>
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    1. POHow to make an image random but not repeat by modifying this code
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    1. PTAnswer
    1. USThomas Kos
    1. USThomas Kos
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    1. COtried it. Works for 1 rotation of pictures but then stops once all pictures cycled through....
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      1. USuser2394920
    2. COAs for the `preload[]`, that was allowing the browser to load and cache the images before they'd be needed. They wouldn't all have been loaded before use (as there was no waiting for them to finish loading) but a good number of them would have been. So while not _strictly_ necessary, it could help with the user experience.
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      1. USXGundam05
    3. COYeah XGundam05, but without caching it is is better for the server so if the user does not wait for viewing all 37 pictures there is a smaller occupancy rate for the server.
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      1. USThomas Kos
 

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