<script>
function document.onkeydown(){
with(window.event)
switch(keyCode){
case 116://F5
case 122://F11
keyCode=0;returnValue=false;
}
}
</script>
function document.onkeydown(){
with(window.event)
switch(keyCode){
case 116://F5
case 122://F11
keyCode=0;returnValue=false;
}
}
</script>
@media print {
* {display:none}
}
</style>
<body onkeydown="if(event.keyCode==122){event.keyCode=0;event.returnValue = false}">