JavaScript Keyboard hotkey

<script language="JavaScript1.2">
var hotkey=104
var destination="http://www.example.com/"
if (document.layers)
document.captureEvents(Event.KEYPRESS)
function backhome(e){ if (document.layers){ if (e.which==hotkey) window.location=destination }
else if (document.all) { if (event.keyCode==hotkey) window.location=destination } }
document.onkeypress=backhome
</script>