function expand(obj)
{
	nextObj = obj.nextSibling;
	if (nextObj.style.display == 'block')
	{
		obj.style.backgroundColor = '#FFFFFF';
		obj.style.border = 'solid 1px white';
		nextObj.style.display = 'none';
		obj.children[0].src = obj.children[0].src.replace('_2', '_1');
	}
	else
	{
		obj.style.backgroundColor = '#F2F2F2';
		obj.style.borderBottom = 'solid 1px #F2F2F2';
		obj.style.borderTop = 'solid 1px #CCCCCC';
		obj.style.borderLeft = 'solid 1px #CCCCCC';
		obj.style.borderRight = 'solid 1px #CCCCCC';
		nextObj.style.display = 'block';
		obj.children[0].src = obj.children[0].src.replace('_1', '_2');
	}
}

function expand2(obj)
{
	nextObj = obj.nextSibling;
	if (nextObj.style.display == 'block')
	{
		nextObj.style.display = 'none';
		obj.children[0].src = obj.children[0].src.replace('_2', '_1');
	}
	else
	{
		nextObj.style.display = 'block';
		obj.children[0].src = obj.children[0].src.replace('_1', '_2');
	}
}