Flash video on Firefox

[desinart]

hello everyone im having problem with the flv video format, it works on ie6 and on safari but on other browsers firefox, ie7 there is some prob
used external flashembed js file

java im using to creat div layout for flash player:
flashembed("example",
{
src:'FlowPlayerDark.swf',
width: 320,
height: 270
},
{config: {
autoPlay: true,
autoBuffering: true,
controlBarBackgroundColor:'0x2e8860',
initialScale: 'scale',
loop: 'false',
noVideoClip: { url:'images/Veroona_Player_Logo.jpg', duration: 10 },
playList:
[
{ url: 'stewartpromoWMV_NEW.flv'
}
]
}}
);

is there anyone can help me

i have used the flashembed js file but without embeding the flv it cant even work on ie6, so if i embed the flv video and put it inside the div layer it only works on ie6