rem: if( aEvent.clickCount == 2 && aEvent.which == 1 ) { 
add: if( aEvent.detail == 2 && aEvent.which == 1 ) { 
context: function HandleClickEvent( aEvent ){  if( aEvent.clickCount == 2 && aEvent.which == 1 ) {    if( aEvent.target.nodeName.toLowerCase() == "treecell" &&         aEvent.target.parentNode.parentNode.nodeName.toLowerCase() != "treehead" )      return onStart();   }  else     return showSelection(aEvent.target.parentNode.parentNode);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b2e873d830c29ccf6c98e8cbdd766f76914e44ee/profileManager.js/clean/profile/resources/content/profileManager.js