Disable Right Click on Page

<script type ="text/javascript" >


    var message = "Sorry, right-click has been disabled";

    function clickIE() { if (document.all) { (message); return false; } }
    function clickNS(e) {
        if
(document.layers || (document.getElementById && !document.all)) {
            if (e.which == 2 || e.which == 3) { (message); return false; }
        }
    }
    if (document.layers)
    { document.captureEvents(Event.MOUSEDOWN); document.onmousedown = clickNS; }
    else { document.onmouseup = clickNS; document.oncontextmenu = clickIE; }
    document.oncontextmenu = new Function("return false")

    document.onkeydown = function (ev) {
        var a;
        ev = window.event;
        if (typeof ev == "undefined") {
            alert("PLEASE DON'T USE KEYBORD");
        }
        a = ev.keyCode;

        alert("PLEASE DON'T USE KEYBORD");
        return false;
    }
    document.onkeyup = function (ev) {
        var charCode;

        if (typeof ev == "undefined") {
            ev = window.event;
            alert("PLEASE DON'T USE KEYBORD");
        } else {
            alert("PLEASE DON'T USE KEYBORD");
        }
        return false;
    }

    document.onLoad = setInterval("window.clipboardData.setData('text','')", 10);
    document.onselectstart = "return false";
    document.oncontextmenu = "return false";
   
    </script>
 <style type="text/css">
        
     @media print {
   BODY { display: none !important;}
   </style>