rem: openHelp(); 
add: if (typeof openHelp == "undefined") toOpenWindowByType('mozilla:help', 'chrome: else openHelp(); 
context: function cmdMozillaHelp (){    openHelp();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0ce31a79343e29e27a5102a1ca9099fd6e804946/venkman-commands.js/clean/extensions/venkman/resources/content/venkman-commands.js