var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;
var ddmenuheader = 0;
var ddmenuheaderactive = 0;
var iactive = 0;

// open hidden layer
function mopen(id, menu, active)
{	
	// 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';
	
			if(ddmenuheaderactive) ddmenuheaderactive.style.color = '4882a3';	 /* active */
			if(ddmenuheader) ddmenuheader.style.color = 'a6aeb3';		
	
	if (active == 'true')
	{		
		iactive = 1;
	
		ddmenuheaderactive = document.getElementById(menu);
		ddmenuheaderactive.style.color = '4882a3';  /* active */
	}

	if (active == 'false')
	{
		iactive = 0;

		ddmenuheader = document.getElementById(menu);
		ddmenuheader.style.color = '4882a3';
	}
	
	
}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';	
	if (iactive == 1)
	{		
		if(ddmenuheaderactive) ddmenuheaderactive.style.color = '4882a3'; /* active */
	}
	else if (iactive == 0)
	{
		if(ddmenuheader) ddmenuheader.style.color = 'a6aeb3';
	}
}

// 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;