Custom icon when using xulrunner app with Firefox using -app flag

Hi All, Trying to use Firefox instead of xulrunner to launch my application. Everything works fine except the custom icon my application has. Is there a way to have custom icon when we launch xul application using Firefox -app flag? Thanks in advance. Vivek ___

differentiate between plugin http requests and JS http requests

I am writing a xul application which records all the network communication happening inside a browser instance created using tag. I can use http-on-modify-request to track all the requests being made and modify headers accordingly but I can not differentiate which request is made by plugin lik