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;

}