//sag tus kilidi
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;