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: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/e238a888788aab5979ffe5727ac0577f0173f5c1/browser.js/buggy/browser/base/content/browser.js