I have the following Code which where i am learning how to use the Get/Set var session. why is the time not getting updated everytime i click on the Get New Time button? 
<html>
<head>
<script language="JavaScript">
function UpdateTime()
{
<%
session.SetVar("cVar",time())
cVar1 = session.GetVar("cVar")
%>
cVar = "<%=cVar1%>";
alert(cVar);
}
</script>
</head>
<head>
<script language="JavaScript">
function UpdateTime()
{
<%
session.SetVar("cVar",time())
cVar1 = session.GetVar("cVar")
%>
cVar = "<%=cVar1%>";
alert(cVar);
}
</script>
</head>
<form name = "OrderForm">
<input name="button" type=button onClick="UpdateTime()" value="Get New Time">
<input name="reset" type=reset value="Clear Form">
</form>
</body>
</html>
<input name="button" type=button onClick="UpdateTime()" value="Get New Time">
<input name="reset" type=reset value="Clear Form">
</form>
</body>
</html>