rem: result = pref.GetBoolPref( "imageBlocker.enabled" ); 
add: result = pref.GetBoolPref( "imageblocker.enabled" ); 
context:     isBlockingImages: function () {        var pref = this.getService( 'component://netscape/preferences', 'nsIPref' );        var result = false;        try {           result = pref.GetBoolPref( "imageBlocker.enabled" );        } catch(e) {        }        return result;    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/14ac18e97a342078990e4f0e92c2a2727bec5960/nsContextMenu.js/clean/xpfe/browser/resources/content/nsContextMenu.js