Dialogs: need more control

Dialogs: need more control


I want to use a UI dialog as a floating toolbar in a CMS I'm
developing. I can get this to work no trouble but I've run into a few
problems that seem to either be limitations in the library or lack of
documentation.
Firstly, as it's a floating toolbar, I can't let users close it
otherwise they lose all the tools. How do I kkeep the close button
that renders in the top right corner of the title bar from appearing/
functioning?
Secondly, I know the content size for the dialog so I don't want users
to be able to resize it. How do I turn resizing off?
Finally, I need to open it in an arbitrary position, for example 30
pixels from the top and 20 pixels from the left of the browser
window. The only options I can find for positioning however seem to
be limited to left, centre or right. How do I get more control over
the start position of the dialog?