I try to change a little bit your code to include Youtube url (It work with FF and IE7).
I change in "flvPlayer.js" in "Media.prototype.getInnerHTML" to add a call to my js file "swfobject_CMI.js" :
s+= '<script src="' + oEditor.FCKConfig.PluginsPath + 'flvPlayer/swfobject.js" type="text/javascript"></script>';
s+= '<script src="' + oEditor.FCKConfig.PluginsPath + 'flvPlayer/swfobject_CMI.js" type="text/javascript"></script>';
and now I create my SWFObject : "SWFObjectCMI" in the same function :
s+= ' var s1 = new SWFObjectCMI("' + oEd...
"swfobject_CMI.js" is to not make change in swfobject.js file.
By the way, I set all js scripts in the tab, so in editor, when you delete the tab, you delete all elements of flvPlayer.
I hope it can help ....
Chris
flvPlayer.js and swfobject_CMI.js update