Facebook help - splitting a value into an array.

help.html

<script type="text/javascript">
	var dates = document.getElementById("dates_input").value,
		dates_split = dates.split(" - "),
		start_date = dates_split[0],
		end_date = dates_split[1];
	console.log("First date: " + start_date);
	console.log("Second date: " + end_date);
</script>