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;