var timerId = new Array();
var zIndexCurrent = 1;
function menuItemClearTimer(itemName)
{
	if (timerId[itemName]) {
		window.clearTimeout(timerId[itemName]);
	}
}
function menuItemHideTimer(itemName)
{
	timerId[itemName] = window.setTimeout("menuItemHide('" + itemName + "')", 400);
}
function menuItemHide(itemName)
{
	$('header-menu-' + itemName + '-popup').style.display = 'none';
}
function menuItemShowTimer(itemName)
{
	menuItemClearTimer(itemName);
	window.setTimeout("menuItemShow('" + itemName + "')", 100);
}
function menuItemShow(itemName)
{
	if (zIndexCurrent > 250) {
		zIndexCurrent = 1;
	}
	$('header-menu-' + itemName + '-popup').style.display = 'block';
	$('header-menu-' + itemName + '-popup').style.zIndex = zIndexCurrent++;
}