function returnEventFalse() 
			{
				event.returnValue = false;
			}

			function returnEventTrue() 
			{
				event.returnValue = true;
			}

			var HostName = location.host;
			
			switch(HostName)
			{
				case "game1.o2jam.com" :
				case "billing.o2jam.com" :
				case "o2jam.nopp.co.kr" :
				case "o2jam.pdbox.co.kr" :
				case "o2jam.gameon.nate.com" :
					document.oncontextmenu	= returnEventFalse;
					document.ondragstart	= returnEventFalse;
					document.onselectstart	= returnEventFalse;
					break;
				
				default :
					document.oncontextmenu	= returnEventTrue;
					document.ondragstart	= returnEventTrue;
					document.onselectstart	= returnEventTrue;

					break;
			}