var message="Cant' Copy!";

///////////////////////////////////
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")

// --> 
function onKeyDown() {
  // current pressed key
  var pressedKey = String.fromCharCode(event.keyCode).toLowerCase();

  if (event.ctrlKey && (pressedKey == "c" || 
                        pressedKey == "v")) {
    // disable key press porcessing
    event.returnValue = false;
  }

}
document.onselectstart=new Function('return false');
function dMDown(e) {return false;}
function dOClick() {return true;}
document.onmousedown=dMDown;
document.onclick=dOClick;