I have built chrome-extensions, but this is new and exciting – Firefox extensions done easily. Check out code and tutorials from Mozilla at
https://developer.mozilla.org/en-US/Add-ons/SDK/Tutorials/Add_a_Context_Menu_Item
தமிழில் நிரல் எழுது – Write code in தமிழ்
எழில் : தமிழ் நிரலாக்க மொழி (Ezhil Language Blog) [opinions are my own]
I have built chrome-extensions, but this is new and exciting – Firefox extensions done easily. Check out code and tutorials from Mozilla at
https://developer.mozilla.org/en-US/Add-ons/SDK/Tutorials/Add_a_Context_Menu_Item