In this case you could try moving the dialog in the onload event handler. First you need to get a reference to the RadWindow in which you have your dialog. Use this function:
._dialog = window.radWindow;
._dialog = window.frameElement.radWindow;
Then once you get a reference to the RadWindow in a variable named e.g. oWnd you can retrieve its current bounds with and you can move the window with and resize it with and .
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