| Parameter | Initialize With | Description |
| alwaysLowered | yes/no | tells the window to stay behind all other windows. This must be done in signed scripts. |
| alwaysRaised | yes/no | tells the window to stay on top of all other windows. This must be done in signed scripts. |
| dependent | yes/no | opens the window as a true child window of the parent window. |
| directories | yes/no | Specifies if the Directory Bar on Navigator 2 and 3 is visible. |
| height | pixel value | Sets the height of the window. |
| hotkeys | yes/no | Disables all but the Security and Quit hotkeys in a new window with no Menu Bar. |
| innerHeight | pixel value | Sets the height of the document. |
| innerWidth | pixel value | Sets the width of the document. |
| location | yes/no | Specifies if the Location Bar is visible. |
| menubar | yes/no | Specifies if the Menu Bar is visible. |
| outerHeight | pixel value | Sets the height of the window, including the chrome. |
| outerWidth | pixel value | Sets the width of the window, including the chrome. |
| resizable | yes/no | Specifies if the window can be resized. |
| screenX | pixel value | Sets the distance of the window from the left side of the screen. |
| screenY | pixel value | Sets the distance of the window from the top of the screen. |
| scrollbars | yes/no | Specifies if the Scroll Bars are visible. |
| titlebar | yes/no | Specifies if the Title Bar is visible. |
| toolbar | yes/no | Specifies if the toolbar is visible. |
| width | pixel value | Sets the width of the window. |
| z-lock | yes/no | Specifies that the window is not supposed to be located above other windows when it is made active. |