Error making video available in aspx and htm pages

I am using VWD 2008 still and 3.5 Framework..
I have tried the similar syntax as below:

<OBJECT CLASSID="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" WIDTH="160"HEIGHT="144" CODEBASE="http://www.apple.com/qtactivex/qtplugin.cab">
<PARAM name="SRC" VALUE="_video/myvideo.mov">
<PARAM name="AUTOPLAY" VALUE="true">
<PARAM name="CONTROLLER" VALUE="false">
<EMBED SRC="_video/bie.mov" WIDTH="160" HEIGHT="144" AUTOPLAY="true" CONTROLLER="false" PLUGINSPAGE="http://www.apple.com/quicktime/download/">
</EMBED>
</OBJECT>

as well as, HTML 5 element:

<video width="420" height="236" controls preload="false">
<source src="_video/myvideo.mp4" type="video/mp4" />
<source src="_video/myvideo.flv" type="video/flv" />
</video>

The first snippet works in a website outside the server, both in Safari and Chrome, the second one works only in Safari browser.. Though, when I try to use the same code in the production environment, that is on discountasp.net server, video controls show but nothing else happens.
What can I do to make it work?

 

...This can't be answered quickly but I can help.
First let me ask, do you even need to try and push an Apple video format?
Second, how did you generate the code that loads the MP4?

Both of these require codecs.
Just a bit more info on what you need and what you are working with will help.