DHTML Methods

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Moves the screen position of the window by the specified x- and y-offsets relative to its current position.

object.moveBy ( iX, iY ) 

iX	Required. Horizontal scroll offset, in pixels.
iY	Required. Vertical scroll offset, in pixels.

No return value.

When you open a window you can with IE set left and top in the feature string, and with NN set screenX and screenY, so together you can for example write:

window.open ( 'whatever.html', 'windowName', 
  'left=100, screenX=100, top=100, screenY=100' ) 

where you can of course add further features like width, height, scrollbars, menubar, etc.

Once a window is open, you can move it calling the moveTo or moveBy methods of the window object:

var win = open ( 'whatever.html', 'windowName' );
win.moveBy ( 20, 20 );

To retrieve the current coordinates of a window, for IE, use:

window.screenLeft
window.screenTop

and for NN:

window.screenX
window.screenY

window