I think what's going on is that you are trying to access a dom element of the Iframe doc, and AFAIK you can't do that directly with jQuery selectors. However I found a discussion where this is solved: http://groups.google.com/group/jquery-en/browse_thread/thread/744ba7fdabd9066a/d060e3f85c3bdbd8
Hope it helps! On Nov 29, 6:04 pm, t3k <[EMAIL PROTECTED]> wrote: > I'm trying desperately to figure out a problem using animate, iframes, > and jmedia. It goes something like this: > I have a piece of media (youtube video) displaying inside a definition list: > <dl id="myDL"> > <dt id="myDT"> > > <embed id="myVideo" width="240" height="180" bgcolor="#000000" autoplay="1" > pluginspage="http://www.macromedia.com/go/getflashplayer" > src="http://www.youtube.com/v/x2wgJdMoSDg&autoplay=1" > type="application/x-shockwave-flash"/> > </dt> > </dl> > > I'm trying to call animate on "#myVideo" to resize it when the user > clicks a button. When the page is viewed normally, it works great, but > when the page is viewed within an iframe the height doesn't seem to be > change. The animate code is: > $("#myVideo").animate({"width": "60px", "height": "45px"}, {duration: > "slow"}); > > To make things a little more complicated, I'm using jmedia to embed the > video inside "#myDT". > > Has anyone else grappled with this issue? It seems that there were a > couple of questions in the past, but no solutions. > > Any help would be much appreciated! > > Thanks! > > Jason