<!-- This script has been in the
http://www.javascripts.com Javascript Public Library! -->
<!-- Note that though this material may have been in a public depository, certain author copyright restrictions may apply. -->
<html>
<head>
<title>My Script - by Me</title>
<SCRIPT LANGUAGE="JavaScript">
var dt = new Date();
var sec = dt.getSeconds();
if (sec<=10) { var msg="<IMG SRC=
http://www.javascripts.com/repository/image.gif>"; document.write
(msg.link("
http://link")) ;}
else if (sec<=30) { var msg="<IMG SRC=
http://www.javascripts.com/repository/image.gif >"; document.write
(msg.link("
http://link")) ;}
else if (sec<=50) { var msg="<IMG SRC=
http://www.javascripts.com/repository/image.gif >"; document.write
(msg.link("
http://link")) ;}
else if(sec<=55) { var msg="<IMG SRC=
http://www.javascripts.com/repository/image.gif>"; document.write
(msg.link("
http://link")) ;}
else if (sec<=60) { var msg="<IMG SRC=
http://www.javascripts.com/repository/image.gif>"; document.write
(msg.link("
http://link")) ;}
<!-- end -->
</SCRIPT>
</head>
<body>
script count down or so
</body>
</html>