browser cache syntax

[psaurabh]

hi

i am facing a problem , in specifying an object as non cachable
can anyone please tell me how to write the syntax for that

in a page i want just one image to be non cachable .
Header();
what to write in the header function
thanks

[Anon]

<?
$s = ($SERVER_PROTOCOL == "HTTP/1.0") ? "Pragma: no-cache" : "Cache-Control: no-cache, must-revalidate";
header($s);
?>

[psaurabh]

I have to make whole page cachable except one image in that page.

i think the above header code will rendfer whole page uncachable .

Thanks for reply