get flash object in different browser

function getFlashMovieObject(movieName)

{

if (window.document[movieName]) 

{

return window.document[movieName];

}

if (navigator.appName.indexOf("Microsoft Internet")==-1)

{

if (document.embeds && document.embeds[movieName])

return document.embeds[movieName]; 

}

else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)

{

return document.getElementById(movieName);

}

}