Extracted From Ankit Jain Ye Meri Life Hai!
Open Registry Editor and point it to HKEY_CURRENT_USER\Software\Microsoft\InternetExplorer\MenuExt
Create a new key that represents the text on the context menu. This may include â€˜&â€™ for keyboard shortcut.
Create a blank Html file, say myMenu.html and open it in notepad. Clicking on the new item in the context menu this is the script file which gets executed. Point the default value of the key (created in the step 2) to this html file.
Create a binary value Contexts, and sets its value as 0Ã—1. This can be 0Ã—2 if you want our item to appear when we right click on an image. Or 0Ã—10 if it should appear only it some text is selected. These values can also be binary OR-ed with each other.