Loading external page -css or js does not work

[multiLady]

Hello,this is what I am trying to do:I have one main page and I know how to load an external page into a <div> on the main page.And everything works (and it validates, I think - it has two errors now cause host service put their code at the bottom..)and I know that the css files related to a main page will affect the loaded page too - and everything is ok there...but ...But I have a light window on the external page.It is a gallery and when you click on image thumbnail the light window should open.When you open the gallery.html itself, separately from main page - light window works.My guess is that something somewhere get lost and that either js or css is not working after the gallery is loaded.Here is the rough example : example