Hi Rob,

Thank you, it worked like a magic.

Emily

>From: "Hanson, Robert" <[EMAIL PROTECTED]>
>To: 'yue lu' <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
>Subject: RE: cache
>Date: Fri, 1 Feb 2002 17:54:52 -0500
>
>I believe "nocache" is for Netscape only.  For IE you should use "expires".
>(or was it the other way around) ...So you should use both.
>
>I don't have any references handy, but a value of "0" for expires might
>work.
>
>Alternatively you could use a scheme that a lot of ad agencies use.  They
>append a random number to the image URL, this way the URL changes every
>time.
>
>Like this:
>
>/images/foobar.gif?98708977
>
>This is assuming that the page with the image tag is a template where you
>could add a random number.
>
>Rob
>
>
>-----Original Message-----
>From: yue lu [mailto:[EMAIL PROTECTED]]
>Sent: Friday, February 01, 2002 5:49 PM
>To: [EMAIL PROTECTED]
>Subject: cache
>
>
>I had a cgi program, and it will dynamically draw a image and load into the
>cgi program, but because the web browser cache always remember the image
>file, so it will not update the image unless I quit the browser, restart 
>the
>
>browser, then tue image will update. please help me with this problem? I 
>use
>
>the no cache tag, it doesn't work!
>somebody please help, please give me some source code.
>
>Thank you so much,
>
>Emily
>
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