<html><head>
<script>
<!--
<%
String clock = request.getParameter( "clock" );
if( clock == null ) clock = "180";
%>
var timeout = <%=clock%>;
function timer()
{
if( --timeout > 0 )
{
document.forma.clock.value = timeout;
window.setTimeout( "timer()", 1000 );
}
else
{
document.forma.clock.value = "Time over";
///disable submit-button etc
}
}
//-->
</script>
<body>
<form action="<%=request.
Seconds remaining: <input type="text" name="clock" value="<%=clock%>" style="border:0px solid white">
...
</form>
<script>
<!--
timer();
//-->
</script>
</body></html>
//File type should be .JSP it will not work in .HTML types.
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