FireFox v20, HTML5, webm file and my sanity!

Hello Everyone,
I am very new to programming and learning my way around HTML5, so please pardon my ignorance on this..but I'm going crazy on this issue.
IIS v6<br />
Firefox v20<br />
HTTP load failed with status 404. Load of media resource http://staging.mysite.org/images/video1.webm failed.
Code:
<pre><nowiki>#vid1 {
margin-left: 20px;
<div id="vid1">
<video width="170" height="96" nocontrols="" loop="" autoplay="" tabindex="0">
<source type="video/mp4" src="../images/video1.mp4"></source>
<source type="video/mov" src="../images/video1.mov"></source>
<source type="video/webm" src="../images/video1.webm"></source>
Your browser does not support the video tag.
</video>
</nowiki></pre>
- I can assure you the file video1.webm is located in the folder.
- Firefox is the only browser that will not play the video.
- I've added .webm it IIS MIME types
- Thinking it was the codec, I found this file: webmdshow-0.9.12.0-20101216.zip and installed it on the web server. Didn't help! If the codec is required, where do I find it (if this file isn't correct) because I cant find it anywhere).
Thank you in advance!

You should not need a codec on your server to serve webm video. For security reasons, you may want to remove it.
This site doesn't do well with HTML in posts. Can you provide a link to a page that demonstrates this problem, or post the &lt;video> tag (including all nested fallback tags) on a site such as Pastebin and give that link here? Of course feel free to change the hostname in the URLs.

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