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