where does the visitor come from?

Hi, I call a script from an html page (for example "test.htm") in this way: <img src="myscript.php"> This script returns at the end an image, but before it takes and save to a file some informations like the visitor's ip and where he comes from ($refer=$HTTP_USER_AGENT). My problem is that $refer gives me always "http://..../test.htm"(that's normal by the way) which is the page who call the script with the "img" html tag. What I want to have in $refer is the url of the page that contain the link who has direct the visitor in my page "test.htm" which will call then the script myscript.php. There is a way for do this?(I guess yes, but I find nothing about this) Thanks ------------------------------- *Emanuele De Fazio* Unix Administrator SchlumbergerSema - Sema S.p.A. Viale Carlo Viola, 76 11026 Pont Saint Martin (AO) Italy Phone: + 39.0125.810373 E-Mail: emanuele.defazio@semagroup.it