function swap(p_source, p_swapimage)
		{
			p_source.src=p_swapimage;
		}
	
	function showSubmenue(p_element)
	{	
		var doc = document.getElementsByTagName('tr');
		var tagname;
		var ismsubenue;
		
		for (var i = 0; i < doc.length; i++)
		{
			tagname=doc[i].id;
			issubmenue=tagname.indexOf('sub');
			if(issubmenue >= 0)
			{
				if(tagname!=p_element)
				{
					if(doc[i].style.display=='')
					{
						void(doc[i].style.display='none')
					}
				}
			}
		}
		
		if(document.getElementById(p_element).style.display == 'none')
		{
			document.cookie = "submenue=" + p_element;
			document.getElementById(p_element).style.display = '';
		}
		else
		{
			document.cookie = "submenue="
			document.getElementById(p_element).style.display = 'none';
		}
	}
	
	function initMenue()
	{
		if (getCookie('submenue')!=null)
		{
			showSubmenue(getCookie('submenue'));
		}
		
	}
	
	function getCookie(name)
	{
		var dc = document.cookie;
		var prefix = name + "=";
		var begin = dc.indexOf("; " + prefix);
		
		if (begin == -1)
		{
			begin = dc.indexOf(prefix);
			if (begin != 0) return null;
		}
		else
			begin += 2;
			var end = document.cookie.indexOf(";", begin);
			if (end == -1)
			end = dc.length;
			return unescape(dc.substring(begin + prefix.length, end));
		}