<script language=JavaScript>
    <!--

    var message="Can't click RETARD!";

    ///////////////////////////////////
    function clickIE4(){
    if (event.button==2){
    alert(message);
    return false;
    }
    }

    function clickNS4(e){
    if (document.layers||document.getElementById&&!document.all){
    if (e.which==2||e.which==3){
    alert(message);
    return false;
    }
    }
    }

    if (document.layers){
    document.captureEvents(Event.MOUSEDOWN);
    document.onmousedown=clickNS4;
    }
    else if (document.all&&!document.getElementById){
    document.onmousedown=clickIE4;
    }

    document.oncontextmenu=new Function("alert(message);return false")

    // -->
    </script>
    <script language="javascript">
    document.onmousedown=disableclick;
    status="Right Click Disabled";
    Function disableclick(e)
    {
      if(event.button==2)
       {
         alert(status);
         return false;
       }
    }
    </script>

    <script language="JavaScript">

    //////////F12 disable code////////////////////////
        document.onkeypress = function (event) {
            event = (event || window.event);
            if (event.keyCode == 123) {
               //alert('No F-12');
                return false;
            }
        }
        document.onmousedown = function (event) {
            event = (event || window.event);
            if (event.keyCode == 123) {
                //alert('No F-keys');
                return false;
            }
        }
    document.onkeydown = function (event) {
            event = (event || window.event);
            if (event.keyCode == 123) {
                //alert('No F-keys');
                return false;
            }
        }
    /////////////////////end///////////////////////


    //Disable right click script
    //visit http://www.rainbow.arch.scriptmania.com/scripts/
    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")
    //
    function disableCtrlKeyCombination(e)
    {
    //list all CTRL + key combinations you want to disable
    var forbiddenKeys = new Array('a', 'n', 'c', 'x', 'v', 'j' , 'w');
    var key;
    var isCtrl;
    if(window.event)
    {
    key = window.event.keyCode;     //IE
    if(window.event.ctrlKey)
    isCtrl = true;
    else
    isCtrl = false;
    }
    else
    {
    key = e.which;     //firefox
    if(e.ctrlKey)
    isCtrl = true;
    else
    isCtrl = false;
    }
    //if ctrl is pressed check if other key is in forbidenKeys array
    if(isCtrl)
    {
    for(i=0; i<forbiddenKeys.length; i++)
    {
    //case-insensitive comparation
    if(forbiddenKeys[i].toLowerCase() == String.fromCharCode(key).toLowerCase())
    {
    alert('Key combination CTRL + '+String.fromCharCode(key) +' has been disabled.');
    return false;
    }
    }
    }
    return true;
    }

    //ctrl+u not allowed
    document.onkeydown = function(e) {
            if (e.ctrlKey &&
                 e.keyCode === 86 ||
                (e.keyCode === 67 ||
                 e.keyCode === 85 ||
                 e.keyCode === 117)) {
                alert('not allowed');
                return false;
            } else {
                return true;
            }
    };

    </script>