     var content : [String] = ["test0<br>test0<br>test0", "test00<br>test00<br>test00<br>test00<br>test00<br>test00"]      var contentHeights : [CGFloat] = [0.0, 0.0]      override func viewDidLoad() {         super.viewDidLoad()         // Do any additional setup after loading the view, typically from a nib.         