function disableRightClick(e)
		{
			var message = 'Copyright By ICT Center Subang,\\nManaged By Dinas Pendidikan Kab. Subang';

			if(!document.rightClickDisabled) 
			{
				if(document.layers) 
				{
					document.captureEvents(Event.MOUSEDOWN);
					document.onmousedown = disableRightClick;
				}
				else document.oncontextmenu = disableRightClick;
				return document.rightClickDisabled = true;
			}
			if(document.layers || (document.getElementById && !document.all))
			{
				if (e.which==2||e.which==3)
				{
					//alert(message);
					sis.style.left = window.event.x
					sis.style.top = window.event.y
					sis.style.visibility = 'visible';
					return false;
				}
			}
			else
			{
				//alert(message);
				sis.style.left = window.event.x
				sis.style.top = window.event.y
				sis.style.visibility = 'visible';
				return false;
			}
		}