var timeout	= 250;
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';
		if (id == "dropHerresko") {
			document.getElementById('topmenu2').src = document.getElementById('TopMenuPreload2').src;    
			document.getElementById('topmenu3').src = document.getElementById('TopMenuPreload3').src;    
		}
		if (id == "dropDamesko") {
			document.getElementById('topmenu1').src = document.getElementById('TopMenuPreload1').src;    
			document.getElementById('topmenu3').src = document.getElementById('TopMenuPreload3').src;    

		}
		if (id == "dropBoernesko") {
			document.getElementById('topmenu1').src = document.getElementById('TopMenuPreload1').src;    
			document.getElementById('topmenu2').src = document.getElementById('TopMenuPreload2').src;    
		}
	}
	// 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';
		document.getElementById('topmenu1').src = document.getElementById('TopMenuPreload1').src;
		document.getElementById('topmenu2').src = document.getElementById('TopMenuPreload2').src;
		document.getElementById('topmenu3').src = document.getElementById('TopMenuPreload3').src;
	}
}

// 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;