// level 1

var PopupInterval=null;
var PopupCat=null;

function PopupClose()
{
	clearInterval(PopupInterval);
	if (PopupCat==null) return;
	var pm=document.getElementById('popup-'+PopupCat);
	pm.className='popup-closed';
	PopupCat=null;
	Popup2Close();
}

function PopupOpen(cat)
{
	PopupClose();
	var pm=document.getElementById('popup-'+cat);
	pm.className='popup-open';
	PopupCat=cat;
}

function PopupFocus()
{
	clearInterval(PopupInterval);
}

function PopupBlur()
{
	PopupInterval=setInterval('PopupClose()',500);
}

// level 2

var Popup2Interval=null;
var Popup2Cat=null;

function Popup2Close()
{
	PopupFocus();
	clearInterval(Popup2Interval);
	if (Popup2Cat==null) return;
	var pm=document.getElementById('popup2-'+Popup2Cat);
	pm.className='popup2-closed';
	Popup2Cat=null;
}

function Popup2Open(cat)
{
	PopupFocus();
	Popup2Close();
	var pm=document.getElementById('popup2-'+cat);
	pm.className='popup2-open';
	Popup2Cat=cat;
}

function Popup2Focus()
{
	PopupFocus();
	clearInterval(Popup2Interval);
}

function Popup2Blur()
{
	PopupBlur();
	Popup2Interval=setInterval('Popup2Close()',500);
}