function click() {
return false; }
function click1() {
if (event.button==2) {return false; }}
function CtrlKeyDown(){
if (event.ctrlKey) {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