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Thread: need help with this random image script

  1. #1
    Join Date
    Jun 2003
    Posts
    51

    need help with this random image script

    I have this random image script which a co-worker wrote. Basically, it's purpose is to load a different flash file each time the page reloads. I think its fine, but I can't figure out how to properly call that script in the html, to actually get the flash files to show up.

    Here's the script file:
    function advert()
    {
    randomnum = Math.round(Math.random() * 10);
    showadvert(randomnum);
    }
    function showadvert(adnum)
    {
    html = "";
    if (adnum == 1 || adnum == 3 || adnum == 5 || adnum == 7 || adnum == 9)
    {
    html += "<object classid=\u0022clsid27CDB6E-AE6D-11cf-96B8-444553540000\u0022 codebase=\u0022http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0\u0022 width=\u0022300\u0022 height=\u0022222\u0022>";
    html += "<param name=\u0022movie\u0022 value=\u0022/swf/1.swf\u0022>";
    html += "<param name=\u0022quality\u0022 value=\u0022high\u0022>";
    html += "<embed src=\u0022/swf/1.swf\u0022 quality=\u0022high\u0022 pluginspage=\u0022http://www.macromedia.com/go/getflashplayer\u0022 type=\u0022application/x-shockwave-flash\u0022 width=\u0022300\u0022 height=\u0022222\u0022></embed></object>";

    }
    if (adnum == 0 || adnum == 2 || adnum == 4 || adnum == 6 || adnum == 8 || adnum == 10)
    {
    html += "<object classid=\u0022clsid27CDB6E-AE6D-11cf-96B8-444553540000\u0022 codebase=\u0022http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0\u0022 width=\u0022300\u0022 height=\u0022222\u0022>";
    html += "<param name=\u0022movie\u0022 value=\u0022/swf/2.swf\u0022>";
    html += "<param name=\u0022quality\u0022 value=\u0022high\u0022>";
    html += "<embed src=\u0022/swf/2.swf\u0022 quality=\u0022high\u0022 pluginspage=\u0022http://www.macromedia.com/go/getflashplayer\u0022 type=\u0022application/x-shockwave-flash\u0022 width=\u0022300\u0022 height=\u0022222\u0022></embed></object>";
    }
    document.write(html);
    }

    Here's the html page:
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
    <html>
    <head>
    <title>Untitled Document</title>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <script src="js/advert.js" language="JavaScript"></script>
    </head>
    <body bgcolor="#BCCE94">
    <table width="584" height="235" border="0" cellspacing="0" cellpadding="0">
    <tr>
    <td valign="bottom">
    <script language="JavaScript">
    <!--hide from older browsers
    //display random image
    document.write(showadvert());
    //-->
    </script>
    </tr>
    </table>
    </body>
    </html>

    Thanks!

  2. #2
    Join Date
    Jun 2003
    Location
    The Netherlands
    Posts
    162
    it is better to load a blank movie into the page and load the swf on level 1

    here's some psudeo code-

    var r = random number;

    var swfToLoad = "myMovie"+r+".swf";

    load swtToLoad(1);


    ~mgb

  3. #3
    Join Date
    Jun 2003
    Posts
    51
    Thanks for your reply, but I really don't know what you mean. Can you show me what the html part would look like?

  4. #4
    Join Date
    Jun 2003
    Location
    The Netherlands
    Posts
    162
    Just publish the Flash movie and use that html page or copy + paste it into a new html file. (copy from <object><embed> (i forget which comes first) to </object></embed>)


    ~mgb

  5. #5
    Join Date
    Jun 2003
    Posts
    51
    This is all that was needed to make what I had work.

    I put the following code in my html where I wanted the flash to show up:

    <script>advert();</script>

    It may not be the best way, I don't know...but it works.

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