rem:  window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url); 
add: if (event.altKey) { BookmarkProperties(); } else {  window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url); } 
context: function OpenURL(event, node, root){    if ((event.button != 1) || (event.detail != 2)        || (node.nodeName != "treeitem"))        return false;    if (node.getAttribute("container") == "true")        return false;    var url = getAbsoluteID(root, node);    // Ignore "NC:" urls.    if (url.substring(0, 3) == "NC:")        return false;    // get right sized window    window.openDialog(getBrowserURL(), "_blank", "chrome,all,dialog=no", url);    return true;}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/a9f736b783b647da005cbd48372be5a8139a2f0d/bookmarks.js/clean/xpfe/components/bookmarks/resources/bookmarks.js