rem: var features = "chrome,titlebar,resizable,modal"; 
add: var features = "chrome,titlebar,resizable"; 
context: function goPreferences(containerID, paneURL, itemID){  //check for an existing pref window and focus it; it's not application modal  const kWindowMediatorContractID = "@mozilla.org/appshell/window-mediator;1";  const kWindowMediatorIID = Components.interfaces.nsIWindowMediator;  const kWindowMediator = Components.classes[kWindowMediatorContractID].getService(kWindowMediatorIID);  var lastPrefWindow = kWindowMediator.getMostRecentWindow("mozilla:preferences");  if (lastPrefWindow)    lastPrefWindow.focus();  else {    var features = "chrome,titlebar,resizable,modal";    openDialog("chrome://browser/content/pref/pref.xul","PrefWindow",                features, paneURL, containerID, itemID);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7fc7f6d219321447981f07f782f53fbeab550ba2/browser.js/clean/browser/base/content/browser.js