s='<video id="video" controls="auto" autoplay poster onloadedmetadata="videoLoaded2()" >'

s+='<source src="'+n+'.mp4" type="video/mp4"></video>' not work

         s+='<source src="'+n+'.ogv" type="video/ogg"></video>';  work

I HAVE MP4 MOVIE

WAY MP4 DONT WOR