function setTab(obj1, obj2, type1, type2)
{
	document.getElementById(obj1).style.display = '';
	document.getElementById(obj2).style.display = 'none';
	
	document.getElementById(obj1 + '_img').src = '/images/ttl_information' + type1 + '_now.gif';
	document.getElementById(obj2 + '_img').src = '/images/ttl_information' + type2 + '.gif';
}