function changeSign(from, to)
{
	if (location.href)
	{
		url = location.href.replace(from, to.value);
		location.href = url;
	}
}

function toggleBlock(obj)
{
	if (obj.className == 'blocks3Closed')
	{
		obj.className = 'blocks3';
	}
	else
	{
		obj.className = 'blocks3Closed';		
	}
	
	return;
}