<!--
	Event.observe(document, "dom:loaded", function(){
		new DatePicker({
			relative : "period_1",
			language : "en",
			disablePastDate : false,
			disableFutureDate : false,
			dateFormat : [ ["yyyy", "mm", "dd"], "." ]
		});
		new DatePicker({
			relative : "period_2",
			language : "en",
			disablePastDate : false,
			disableFutureDate : false,
			dateFormat : [ ["yyyy", "mm", "dd"], "." ]
		});
	}, false);
//-->