2008-5-15 08:08
hkstc
一段有用的js
<script language=javascript>
document.onkeydown = function(){
if (window.event && window.event.keyCode == 116) {
window.event.keyCode = 505;
}
if (window.event && window.event.keyCode == 505) {
return false;
}
}
</script>