var sddm_timeout	= 200;
var sddm_closetimer	= 0;
var sddm_ddmenuitem	= 0;

// open hidden layer
function sddm_open(id)
{	
	// cancel close timer
	sddm_cancelclosetime();

	// close old layer
	if(sddm_ddmenuitem) sddm_ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	sddm_ddmenuitem = document.getElementById(id);
	sddm_ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function sddm_close()
{
	if(sddm_ddmenuitem) sddm_ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function sddm_closetime()
{
	sddm_closetimer = window.setTimeout(sddm_close, sddm_timeout);
}

// cancel close timer
function sddm_cancelclosetime()
{
	if(sddm_closetimer)
	{
		window.clearTimeout(sddm_closetimer);
		sddm_closetimer = null;
	}
}

// close layer when click-out
//w send.php też jest ten onclick...
//document.onclick = sddm_close;