// script copyright infolane 2004-2007 all rights reserved
function raise_thing(item, start)
{
	var hold = '';
	var x = document.getElementsByTagName('div');
	for (var i = 0; i < x.length; ++i)
	{
		if (!x[i].id.match('/^'+start+'/')) continue;
		x[i].style.visibility = 'hidden';
	}

	$(item).style.visibility = 'visible';
}

function raiseLayer(item)
{
	raise_thing(item, '_block');
}

function raiseInnerLayer(item)
{
	raise_thing(item, '_inner');
}

function raiseNav(item)
{
	raise_thing(item, '_nav');
}