<script language='javascript'>
function _keydown()
{
if ((event.ctrlKey)&&(event.keyCode==67))
{
alert("not allowed!");
event.returnValue=false;
}
}
</script>
<body onkeydown="_keydown();">
</body>
function _keydown()
{
if ((event.ctrlKey)&&(event.keyCode==67))
{
alert("not allowed!");
event.returnValue=false;
}
}
</script>
<body onkeydown="_keydown();">
</body>
<body onselect="alert("not be allowed");return false;">
<body onselect="alert('not be allowed');return false;">