function menu_one()
{
	var els = document.getElementById('confEls'); 
	var el = document.getElementById('confEl'); 
	if (els.style.display == 'none') 
	{ els.style.display = ''; el.className = 'zag1_g adv3'; } 
	else 
	{ els.style.display = 'none'; el.className = 'zag1_g adv4'; } 
	return false;

}