$seats.find('a.seat').not('.disabled').popover({
		html: true, 
		trigger: 'manual', 
		title: function(){
			return '訂票資訊';
		},
		content: function(){
			var $this = $(this);
			var $c = $('<div class="pop">' +
				'<select name="ticket" class="input-medium"><option value="">-- 選擇票種 --</option><option value="1">學生</option></select>' +
				'</div>');

			$c.find('select').change(function(event){
				selected($(this).val(), $this);
				$this.addClass('selected').popover('hide');
			});

			return $c[0];
		}
	}).click(function(event){
		$(this).popover('toggle');
		event.stopPropagation();
	});

 

Note:

1. trigger: manual and event.stopPropagation() are the keys
2. http://twitter.github.io/bootstrap/javascript.html#popovers
3. http://stackoverflow.com/questions/8947749/how-can-i-close-a-twitter-bootstrap-popover-with-a-click-from-anywhere-else-on