This is a very popular script that frame designers "accidentaly" make. You can malnipulate what happens to the person's screen.
Here is something interesting with the Opening. You Have three options you can malnipulate.
("URL","Window_Name","Window_Attributes")
There are a few Window Attributes you can use. They are toolbar - Controls the display of the button bar location - Controls the display of the current location field status - Controls the display of the status bar menubar - Controls the display of the menu bar scrollbars - Controls the display of the scroll bars resizable - Controls whether the user can change the window's size width - Specifies window width (in pixels) height - Specifies window height (in pixels)
The source (opening)...