/* javascript voor het verticalmenu */

	function hidemenus()
	{
		var menu = document.getElementById('menu');
		var options = menu.getElementsByTagName('UL');
		for (var n = 0; n < options.length; n++)
		{
			var suboptions = options[n].getElementsByTagName('UL');
			for (var n = 0; n < suboptions.length; n++)
			{
				suboptions[n].style.display = 'none';
			}
		}
	}

	function openclose(id,url)
	{
		hidemenus()
		var parent = document.getElementById(id);
		if (parent)
		{
			var to_open = parent.getElementsByTagName('UL');
			to_open[0].style.display = 'block';
			setcookie('open',id);
		}
		if (url)
		{
			document.location = url;
		}
	}
	
	function getcookie(name)
	{
		var c = new String(document.cookie);
		var re = new RegExp('(.*' + name + '=)([^;]+)(;*.*)',"g");
		c = c.replace(re,"$2");
		return c;
	}
   
	function setcookie(name,value)
	{
		document.cookie = name + '=' + value + '; path=/';
	}