layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderInline {WINDOW} at (0,0) size 34x18
        RenderText {#text} at (0,0) size 0x0
        RenderInline {WINDOW} at (0,0) size 34x18
          RenderText {#text} at (0,0) size 0x0
          RenderInline {WINDOW} at (0,0) size 34x18
            RenderText {#text} at (0,0) size 0x0
            RenderInline {XUL:TOOLBOX} at (0,0) size 34x18
              RenderText {#text} at (0,0) size 0x0
              RenderInline {XUL:TOOLBAR} at (0,0) size 34x18
                RenderText {#text} at (0,0) size 0x0
                RenderTable at (0,0) size 34x18
                  RenderTableSection (anonymous) at (0,0) size 34x18
                    RenderTableRow (anonymous) at (0,0) size 34x18
                      RenderTableCell {HTML:SPAN} at (0,0) size 33x18 [r=0 c=0 rs=1 cs=1]
                        RenderInline {HTML:BUTTON} at (0,0) size 33x18 [bgcolor=#C0C0C0]
                          RenderText {#text} at (0,0) size 0x0
                          RenderInline {HTML:IMG} at (0,0) size 33x18
                            RenderInline {HTML:BR} at (0,0) size 33x18
                              RenderText {#text} at (0,0) size 33x18
                                text run at (0,0) width 33: "Back"
                        RenderText {#text} at (0,0) size 0x0
                      RenderTableCell {HTML:SPAN} at (32,0) size 2x0 [r=0 c=1 rs=1 cs=1]
                        RenderInline {HTML:INPUT} at (0,0) size 0x0
                        RenderText {#text} at (0,0) size 0x0
              RenderText {#text} at (0,0) size 0x0
            RenderText {#text} at (0,0) size 0x0
          RenderText {#text} at (0,0) size 0x0