Seems their Flash has a bug or 2...

SecurityError: Error #2122: Security sandbox violation: Loader.content: www.joomlaxtc.com/modules/mod_jxtc_media...ash/videoplayerv.swf cannot access joomlaxtc.com/jxtct000/images/democontent/videoshow/preview.jpg . A policy file is required, but the checkPolicyFile flag was not set when this media was loaded.
at flash.display::Loader/get content()
at fl.containers::UILoader/get content()
at videoplayerv_fla::MainTimeline/onLoaderComplete()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.containers::UILoader/passEvent()
at fl.containers::UILoader/handleComplete()

Hmm, why isn't there any volume slider???

And the audio player:

TypeError: Error #2007: Parameter url must be non-null.
at flash.media::Sound/_load()
at flash.media::Sound/load()
at flash.media::Sound()
at com.afcomponents.mp3player::MP3Player/load()
at com.afcomponents.mp3player::MP3Player/play()
at com.vertical::Main/onBtnClick()

And in the video shadowbox:

Error #2044: Unhandled skinError:. text=[IOErrorEvent type="ioError" bubbles=false cancelable=false eventPhase=2 text="Error #2035: URL Not Found. URL: SkinOverPlaySeekMute.swf"]

SecurityError: Error #2122: Security sandbox violation: Loader.content: www.joomlaxtc.com/modules/mod_jxtc_media...eoshow%2Fpreview.jpg cannot access joomlaxtc.com/jxtct000/images/democontent/videoshow/preview.jpg . A policy file is required, but the checkPolicyFile flag was not set when this media was loaded.
at flash.display::Loader/get content()
at fl.containers::UILoader/get content()
at videoplayerh_fla::MainTimeline/onLoaderComplete()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.containers::UILoader/passEvent()
at fl.containers::UILoader/handleComplete()

And the Pop up audio thing:

SecurityError: Error #2122: Security sandbox violation: Sound.id3: www.joomlaxtc.com/modules/mod_jxtc_media...eoshow%2Fpreview.jpg cannot access joomlaxtc.com/mp3images/tanto.mp3 . A policy file is required, but the checkPolicyFile flag was not set when this media was loaded.
at flash.media::Sound/get id3()
at com.afcomponents.mp3player::MP3Player/get id3()
at com.afcomponents.mp3player::MP3Player/handleBuffering()

SecurityError: Error #2122: Security sandbox violation: Loader.content: www.joomlaxtc.com/modules/mod_jxtc_media...eoshow%2Fpreview.jpg cannot access joomlaxtc.com/mp3images/tp.jpg . A policy file is required, but the checkPolicyFile flag was not set when this media was loaded.
at flash.display::Loader/get content()
at fl.containers::UILoader/get content()
at com.horizontal::Main/onLoaderComplete()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.containers::UILoader/passEvent()
at fl.containers::UILoader/handleComplete()

Ok i apologize. It was kinda stupid of me to write that kindergarten stuff. I deleted the worst parts so i hope all is ok now.

Nice that you solved the errors btw!

:-* :-*