function showHideGroup(name)
	{
		for(var i=0;i<document.getElementsByTagName('tr').length;i++)
		{
			if(document.getElementsByTagName('tr')[i].getAttribute('groupid') == name)
			{
				if(document.getElementsByTagName('tr')[i].style.visibility=='hidden')
				{
					document.getElementsByTagName('tr')[i].style.visibility='visible';
					document.getElementsByTagName('tr')[i].style.display = '';
					document.getElementById('ec'+name).src = '/images/icons/collapse.gif';
				}
				else
				{
					document.getElementsByTagName('tr')[i].style.visibility='hidden';
					document.getElementsByTagName('tr')[i].style.display = 'none';
					document.getElementById('ec'+name).src = '/images/icons/expand.gif';
				}
			}

		}
	}