Переход на нужную страничку по нажатию определенной клавиши

<script type="text/javascript">
var key = new Array();
key['h'] = "http://aviapark.keo.su/";
key['f'] = "http://aviapark.keo.su";
key['u'] = "http://aviapark.keo.su";
key['s'] = "http://aviapark.keo.su";
key['t'] = "http://aviapark.keo.su";
 
function getKey(keyStroke) {
isNetscape=(document.layers);
eventChooser = (isNetscape) ? keyStroke.which : event.keyCode;
which = String.fromCharCode(eventChooser).toLowerCase();
for (var i in key) if (which == i) window.location = key[i];
}
document.onkeypress = getKey;
</script>