line 1006 ? from source code? how are you getting source code? document.body.outerhtml?
or do you mean line 1006 of the Internet Explorer Menu (View - Source) Line 1006?
i dont know how to get 1006 line of IE Source because IE have its own Html "Source" Viewer but if you know what you are looking for its easier to get. if not you would have to get the text from IE Source Viewer's textbox will require API Calls

if you get code with inet its close but not exactly the same ...