var old_popup = ''; 

function showpopup (index){
	hideoldpopup();
	if (document.getElementById('subnavigation-regions-'+ index)) {
		document.getElementById('subnavigation-regions-'+ index).style.display = "";
		old_popup = index;
	}
}

function hideoldpopup() {
	if (old_popup != '') {
		document.getElementById('subnavigation-regions-' + old_popup).style.display = 'none'; 
	}
}

function autohideoldpopup() {
	if (old_popup != '' && nohide == 0) {
		document.getElementById('subnavigation-regions-' + old_popup).style.display = 'none'; 
	}
}

function setnohide(h) {
	nohide = (h == 1); 
}

function sethidetimeout() {
	window.setTimeout('autohideoldpopup()', 100); 
}