Chrome/Firefox load video but is black with sound. Safari works.

[Double_EDGE_Sword]

Using this following code it loads perfect in Safari.  However, the video is black in Chrome and Firefox.  There is an image on top, it is a png with transparency.

makeDiv(930, 350, 480, 240, "<video src='LilliLogo.mp4' autoplay ></video>",);

[Preran]

Can you share the URL of the site here so that we can see what's happening at our end?

Thanks,

Preran