<html>
<body topmargin=0 marginheight=0 leftmargin=10 marginwidth=0 onkeydown='on_key_down()'>
<script>
function on_key_down()
{
function noFunction()
{
/* CTRL + N키 막음. */
if ((event.keyCode == 78) && (event.ctrlKey == true))
{
event.keyCode = 0;
return false;
}
/* ESC , F1 ~ F12 번키 막음. */
if( event.keyCode == 9 || event.keyCode ==113 || event.keyCode ==114 || event.keyCode ==115 || event.keyCode ==116 || event.keyCode == 117 || event.keyCode ==118 || event.keyCode ==119 || event.keyCode == 120 || event.keyCode == 121 || event.keyCode==122 || event.keyCode == 123 )
{
event.keyCode = 0;
return false;
}
}
document.onkeydown = noFunction;
}
</script>
</body>
</html>
