var selectedLeftMenuItem;

function setSelectedLeftMenuItem(value)
{
	selectedLeftMenuItem = value;
}

function hiddeAllLeftSubItems()
{
	var i=1;
		while (document.getElementById('leftMenuSubItem'+i)!=null)
		{
			document.getElementById('leftMenuSubItem'+i).style.display='none';
			i++;	
		}
}

function hiddeLeftSubItems()
	{
		var i=1;
		while (document.getElementById('leftMenuSubItem'+i)!=null)
		{
			if(selectedLeftMenuItem != ('leftMenuSubItem'+i))
			{
				document.getElementById('leftMenuSubItem'+i).style.display='none';	
			}
			i++;
		}
	}
	
function showLeftSubItem(subItem)
{
	if(document.getElementById(subItem).style.display=='none')
	{
		hiddeAllLeftSubItems();
		document.getElementById(subItem).style.display='';
	}
	else
	{
		hiddeAllLeftSubItems();
	}
}