// JavaScript Document
function click() { 
return false;} 
function click1(){if (event.button==2) {return false; }} 
function CtrlKeyDown(){ 
if (event.keyCode==67&&event.ctrlKey) 
{ 
clipboardData.setData('text',''); 
return false; 
} 
} 
document.onkeydown=CtrlKeyDown; 
document.onselectstart=click; 
document.onmousedown=click1; 

<!-- 
if (window.Event) 
document.captureEvents(Event.MOUSEUP); 
function nocontextmenu(){ 
event.cancelBubble = true 
event.returnValue = false; 
return false; 
} 
function norightclick(e){ 
if (window.Event){ 
if (e.which == 2 || e.which == 3) 
return false; 
} 
else if (event.button == 2 || event.button == 3) 
{ 
event.cancelBubble = true; 
event.returnValue = false;return false;} 
} 
document.oncontextmenu = nocontextmenu; // for IE5+ 
document.onmousedown = norightclick; // for all others 
//-->