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Browser Sniffer: Flash File

Posted on 2004-04-10
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Last Modified: 2006-11-17
I have a page where I have a flash piece loaded into the page, if someone who is on a linux bos that doesn't support flash i would like to replace that "X" out flash object with an image.. Does anyone have any code to do so?

Thanks,
Natacha
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Question by:ngjones
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Expert Comment

by:COBOLdinosaur
ID: 10798339
At the place in the page where the flash or image goes use a scriptlike this to dynamically write the page:

<script type="text/javascript">
<!--
    nav=navigator.userAgent.toLowerCase();
    if (nav.indexOf("inux")!=-1)
         document.write('<img src="yourimage.gif">');
   else
         document.write('<object etc... all you flash code>'):
 //-->
</script>
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Author Comment

by:ngjones
ID: 10798439
That doesn't seem to work if I follow what you said to do:

<script type="text/javascript">
<!--
    nav=navigator.userAgent.toLowerCase();
    if (nav.indexOf("inux")!=-1)
         document.write('<img src="http://www.verari.com/images/welcome2.jpg">');
   else
         document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="362" height="175" id="intro" align="middle">
<param name="allowScriptAccess" value="sameDomain" />
<param name="movie" value="intro.swf" />
<param name="quality" value="high" />
<param name="bgcolor" value="#000000" />
<embed src="intro.swf" quality="high" bgcolor="#000000" width="362" height="175" name="intro" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object>
'):
 //-->
</script>

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LVL 53

Expert Comment

by:COBOLdinosaur
ID: 10798493
Yeah I can see two things.  My original had a typo.  I put : at the end of the write insted of ; and it looks like you have linefeeds in the string, Javascript treats end of line as end of command, so the code was invalid.  Let's try it this way:

<script type="text/javascript">
<!--
    nav=navigator.userAgent.toLowerCase();
    if (nav.indexOf("inux")!=-1)
    {
         document.write('<img src="http://www.verari.com/images/welcome2.jpg">');
    }
   else
   {
         str='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
         str+='codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/';
         str+='swflash.cab#version=6,0,0,0"'; width="362" height="175" id="intro" ';
         str+='align="middle">';
         str+='<param name="allowScriptAccess" value="sameDomain" />';
         str+='<param name="movie" value="intro.swf" />';
         str+='<param name="quality" value="high" />';
         str+='<param name="bgcolor" value="#000000" />';
         str+='<embed src="intro.swf" quality="high" bgcolor="#000000" ';
         str+='width="362" height="175" name="intro" align="middle"';
         str+=' allowScriptAccess="sameDomain" type="application/x-shockwave-flash"';
         str+=' pluginspage="http://www.macromedia.com/go/getflashplayer" />';
         str+='</object>';
         document.write(str);
    }
//-->
</script>
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Author Comment

by:ngjones
ID: 10807951
It still doesn't work..

http://www.verari.com/test1.asp


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Accepted Solution

by:
COBOLdinosaur earned 250 total points
ID: 10808074
I don't have a Linux setup to try it with, and it does not seem to give any errors; so the scripting seems okay.

maybe the userAgent is wrong.

right after this line:
 nav=navigator.userAgent.toLowerCase();
add:
alert(nav);

That should display the string it is using.

Cd&
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Author Comment

by:ngjones
ID: 10808162
The flash file isn't showing up.. I added that extra statement...

http://www.verari.com/test1.asp 

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LVL 53

Expert Comment

by:COBOLdinosaur
ID: 10808325
Okay what string does the alert display when you run with linux?

Cd&

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Author Comment

by:ngjones
ID: 10808350
It doesn't show up anything on either linux or windows.
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LVL 53

Expert Comment

by:COBOLdinosaur
ID: 10808674
Let's clean that up a little:

<table border="0" cellspacing="0" width="355" cellpadding="5" height="184">
    <tr>
   
      <td valign="top" height="174"><font class="text">
      <p align="left"><script type="text/javascript">
    nav=navigator.userAgent.toLowerCase();
    alert(nav);
    if (nav.indexOf("inux")!=-1)
    {
         document.write('<img src="http://www.verari.com/images/welcome2.jpg">');
    }
   else
   {
         str='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
         str+='codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/';
         str+='swflash.cab#version=6,0,0,0"'; width="362" height="175" id="intro" ';
         str+='align="middle">';
         
         str+='<param name="allowScriptAccess" value="sameDomain" />';
         str+='<param name="movie" value="intro.swf" />';
         str+='<param name="quality" value="high" />';
         str+='<param name="bgcolor" value="#000000" />';
         str+='<embed src="intro.swf" quality="high" bgcolor="#000000" ';
         str+='width="362" height="175" name="intro" align="middle"';
         str+=' allowScriptAccess="sameDomain" type="application/x-shockwave-flash"';
         str+=' pluginspage="http://www.macromedia.com/go/getflashplayer" />';
         str+='</object>';
         document.write(str);
    }
      </script></p></td>
    </tr>
  </table>

That looks a little better.

Cd&
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