<!--
		var timeout         = 500;
		var closetimer		= 0;
		var ddmenuitem      = 0;

	// open hidden layer
		function mopen(id)
	{	
	// cancel close timer
		mcancelclosetime();

	// close old layer
		if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
		ddmenuitem = document.getElementById(id);
		ddmenuitem.style.visibility = 'visible';
	}
	// close showed layer
		function mclose()
	{
		if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	}
	// go close timer
		function mclosetime()
	{
		closetimer = window.setTimeout(mclose, timeout);
	}

	// cancel close timer
		function mcancelclosetime()
	{
		if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
	}
	// close layer when click-out
		document.onclick = mclose; 
		// -->