The most common fluid layout for embedding the Unity3d WebPlayer is the full browser window one.
However to enable some user – browser communication and user data uploads I needed other ones with constant size elements to display info, links and data upload forms.
Here are the examples:
You can download all the three html files zipped from here:
Flexible WebPlayer html layouts ( ver. Unity 4.2, UnityObject2 ) (1117 downloads)
FullBrowserWindow Template Unitypackage (12 downloads)