// Copyright 2006-2007 javascript-array.com
		// http://javascript-array.com

		var TimeOut = 300;
		var currentLayer = null;
		var currentitem = null;
		var currentLayerNum = 0;
		var noClose = 0;
		var closeTimer = null;

		// Open Hidden Layer
		function mopen(n)
		{
			var l = document.getElementById("menu"+n);
			var mm = document.getElementById("mmenu"+n);
			
			if(l)
			{
				mcancelclosetime();
				l.style.visibility='visible';

				if(currentLayer && (currentLayerNum != n))
					currentLayer.style.visibility='hidden';

				currentLayer = l;
				currentitem = mm;
				currentLayerNum = n;
			}
			else if(currentLayer)
			{
				currentLayer.style.visibility='hidden';
				currentLayerNum = 0;
				currentitem = null;
				currentLayer = null;
			}
		}

		// Turn On Close Timer
		function mclosetime()
		{
			closeTimer = window.setTimeout(mclose, TimeOut);
		}

		// Cancel Close Timer
		function mcancelclosetime()
		{
			if(closeTimer)
			{
				window.clearTimeout(closeTimer);
				closeTimer = null;
			}
		}

		// Close Showed Layer
		function mclose()
		{
			if(currentLayer && noClose!=1)
			{
				currentLayer.style.visibility='hidden';
				currentLayerNum = 0;
				currentLayer = null;
				currentitem = null;
			}
			else
			{
				noClose = 0;
			}

			currentLayer = null;
			currentitem = null;
		}

		// Close Layer Then Click-out
		document.onclick = mclose;