add:  if (e.button != 0) return;  
context: function onDblClick(e) {  var t = e.originalTarget;  if (t.localName != "treechildren")    return;  openSelectedFile();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d554a25d7bbb7bf0065b3b3d6ec2870a1944d3e2/filepicker.js/buggy/xpfe/components/filepicker/res/content/filepicker.js