rem: if ( controller ) 
add: if ( controller && controller.isCommandEnabled(command)) 
context: function goDoCommand(command){	var controller = top.document.commandDispatcher.getControllerForCommand(command);	if ( controller )		controller.doCommand(command);}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/7de37d4fc20c46a825d7619206c1d754643497db/globalOverlay.js/buggy/xpfe/global/resources/content/globalOverlay.js