rem:  if (this._position != kIShellService.BACKGROUND_TILE) this._monitor.style.backgroundColor = color; 
add: this._monitor.style.backgroundColor = color; 
context:   updateColor: function (color)  {#ifndef XP_MACOSX    this._backgroundColor = color;        if (this._position != kIShellService.BACKGROUND_TILE)      this._monitor.style.backgroundColor = color;#endif  },
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/86916c41e0932684d6a2c23fce12ce138ff4b782/setDesktopBackground.js/buggy/browser/components/shell/content/setDesktopBackground.js