<html>
<head>
<script language="javascript">
function Disable_Control_C() {
var keystroke = String.fromCharCode(event.keyCode).toLowerCase();
if (event.ctrlKey && (keystroke == 'c' || keystroke == 'v')) {
alert("let's see");
event.returnValue = false; // disable Ctrl+C
}
}
</script>
</head>
<body onkeydown="javascript
isable_Control_C()">
Hello World!
</body>
</html>