Since the PHP update on the servers, I've been getting the error:
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Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/artfulme/public_html/index.php:1) in /home/artfulme/public_html/index.php on line 1

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/artfulme/public_html/index.php:1) in /home/artfulme/public_html/index.php on line 1

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Before the update, I never got those errors... Here's the first couple of lines for my index.php page (homepage) of http://www.artfulme.net:
PHP Code:
<?php session_start(); $_SESSION['loginreturn']="../index.php";  include("scripts/mysql.php"); ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
...(and so forth with the html)...
I get the same error on every page, but I have error reporting turned off on them (for the sake of my users). Thanks for any help in advance...