Microsoft JScript runtime error: Object doesn't support this property or method

<script type="text/javascript" src="jquery/jquery-1.3.2.min.js"></script>

<script type="text/javascript" src="jquery/jquery-ui-1.7.2.custom.min.js"></script>

<script src="jquery/jquery-idleTimeout.js" type="text/javascript" charset="utf-8"></script>

<script type="text/javascript" charset="utf-8">

$(document).ready(function(){

$(document).idleTimeout({

inactivity: 1200000,

noconfirm: 10000,

sessionAlive: 1200000,

redirect_url:'unloadp.aspx?to=ideal'

});

});

</script>

am getting "Microsoft JScript runtime error: Object doesn't support this property or method" error pls help me.