rem: var button = aEvent.target.parentNode.parentNode; 
add:  var button = aEvent.target._menubuttonParent; 
context: function ClickAndHoldMouseDown(aEvent){ if (aEvent.target.getAttribute("anonid") != "button")   return; var button = aEvent.target.parentNode.parentNode; if (!button.disabled)   gClickAndHoldTimer = setTimeout(ClickAndHoldMouseDownCallback, 500, button);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a5febf48d84915048fe06518dc814646fb4d39d9/browser.js/clean/browser/base/content/browser.js