$(document).ready(function() {

	$(".button").click(function () {
		$(this).parent().next().next().slideToggle("fast");
		$(this).toggleClass('close').toggleClass('open');
		var caption = ($(this).hasClass('close')) ? "Collapse Facility Description" : "Expand Facility Description";
		var isOpen = ($(this).hasClass('close')) ? 1 : 0;
		$(this).html(caption);
		
		//Close other box
		var id = ($(this).parent().parent().attr('id') == 'bioTown') ? "hopewell" : "bioTown";
		$("#"+id+" .description").slideUp("fast", function() {
			if (id == "bioTown" && isOpen) {
				//Animate Scroll
				var offset = $("#hopewell").offset();
				$('html, body').animate({scrollTop: offset.top}, "fast");
			}
			else if (id == "hopewell" && isOpen) {
				//Animate Scroll
				var offset = $("#bioTown").offset();
				$('html, body').animate({scrollTop: offset.top}, "fast");
			}
		});
		$("#"+id).find('.button').html('Expand Facility Description').removeClass('close').addClass('open');
	});
	externalLinks();
	
function externalLinks() {
	if (!document.getElementsByTagName) return;
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++) {
			var anchor = anchors[i];
			if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
		}
	}
});