function showheadermenu(popmenuid, mode)
{
	obj = document.getElementById(popmenuid);
	if (typeof obj == 'undefined'){
		return false;
	}
	if (mode == 'show'){
		obj.style.display = '';
	}
	if (mode == 'hidden'){
		obj.style.display = 'none';
	}
}
var popmenudelay;
function showHeaderMenu(popmenuid, timeout, mode)
{
	timeout = timeout == ''?1000:timeout;
	if (popmenuid != ''){
		switch(mode)
		{
			case 'hidden':
				popmenudelay = setTimeout("showheadermenu('"+ popmenuid +"', 'hidden')", timeout);
			break;
			case 'show':
				if (typeof popmenudelay == 'number'){
					clearTimeout(popmenudelay);
				}
				showheadermenu(popmenuid, 'show');
			break;
		}
	}else{
		return false;
	}
}