function ExpandCollapse(e)
{
	if (e.style.display == "")
		e.style.display = "none";
	else
		e.style.display = "";
}

function Expand(e)
{
		e.style.display = "";
}

function ExpandCollapseKeyboard(e)
{
	if (event.keyCode == 33) //Page Up collapses
	{
		if (e.style.display == "")
			ExpandCollapse(e);
	}
	else if (event.keyCode == 34) //Page Down Expands
	{
		if (e.style.display == "none")
			ExpandCollapse(e);		
	}
}