How do I load a different JPG into a SWF based on the HTML file playing it? [renamed]

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Hi, I would like to load a different image inside a flash movie depending upon what .html filename my wesite is displaying. So, for example if im on index.html I would like an index image to load in a movieclip and when I’m on a (anything).html i want (anything).jpg to load. I know I can do this with loadmovie and however is there a way to detect what .html page the user is on or is there a better way of going about this? Thanks in advance