rem: gOK.disabled = selection.length != 1 || 
add: gOK.disabled = !selection.length != 1 || 
context: function updateOK(){  var selection = gBookmarkTree._selection;  gOK.disabled = selection.length != 1 ||                 (selection.type[0] != "Bookmark" && selection.type[0] != "")}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/9a90fd69329163919e8e93ba3d72a613528d60dd/selectBookmark.js/clean/browser/components/bookmarks/content/selectBookmark.js