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;		

document.onmousedown = norightclick;

// second

if (window!= top)
top.location.href=location.href;