(function($) {

  $.fn.tipsy = function(options) {

    options = $.extend({}, $.fn.tipsy.defaults, options);

    return this.each(function() {

      var opts = $.fn.tipsy.elementOptions(this, options);

      //$(this).click(function() {

      $.data(this, 'cancel.tipsy', true);

      var tip = $.data(this, 'active.tipsy');
      if (!tip && opts.show) {
        tip = $('<div class="tipsy"><div class="tipsy-inner"/></div>');
        tip.css({ position: 'absolute', zIndex: 100000 });
        $.data(this, 'active.tipsy', tip);
      }
      else {
        $.data(this, 'cancel.tipsy', false);
        if ($.data(this, 'cancel.tipsy')) return;
        var tip = $.data(this, 'active.tipsy');
        if (tip) {
          if (opts.fade)
            tip.stop().fadeOut(function() { $(this).remove(); });
          else
            tip.remove();
        }        
        $.data(this, 'active.tipsy', false);
        return;
      }

      if ($(this).attr('title') || typeof ($(this).attr('original-title')) != 'string') {
        $(this).attr('original-title', $(this).attr('title') || '').removeAttr('title');
      }

      var title;
      if (typeof opts.title == 'string') {
        title = $(this).attr(opts.title == 'title' ? 'original-title' : opts.title);
      } else if (typeof opts.title == 'function') {
        title = opts.title.call(this);
      }

      tip.find('.tipsy-inner')[opts.html ? 'html' : 'text'](title || opts.fallback);

      var pos = $.extend({}, $(this).offset(), { width: this.offsetWidth, height: this.offsetHeight });
      tip.get(0).className = 'tipsy'; // reset classname in case of dynamic gravity
      tip.remove().css({ top: 0, left: 0, visibility: 'hidden', display: 'block' }).appendTo(document.body);
      var actualWidth = tip[0].offsetWidth, actualHeight = tip[0].offsetHeight;
      var gravity = (typeof opts.gravity == 'function') ? opts.gravity.call(this) : opts.gravity;

      switch (gravity.charAt(0)) {
        case 'n':
          tip.css({ top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 }).addClass('tipsy-north');
          break;
        case 's':
          tip.css({ top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 }).addClass('tipsy-south');
          break;
        case 'e':
          tip.css({ top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth }).addClass('tipsy-east');
          break;
        case 'w':
          tip.css({ top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width }).addClass('tipsy-west');
          break;
      }

      if (opts.fade) {
        tip.css({ opacity: 0, display: 'block', visibility: 'visible' }).animate({ opacity: 0.8 });
      } else {
        tip.css({ visibility: 'visible' });
      }

      /*});, function() {
      $.data(this, 'cancel.tipsy', false);
      var self = this;
      setTimeout(function() {
      if ($.data(this, 'cancel.tipsy')) return;
      var tip = $.data(self, 'active.tipsy');
      if (opts.fade) {
      tip.stop().fadeOut(function() { $(this).remove(); });
      } else {
      tip.remove();
      }
      }, 100);

            });*/

    });

  };

  // Overwrite this method to provide options on a per-element basis.
  // For example, you could store the gravity in a 'tipsy-gravity' attribute:
  // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
  // (remember - do not modify 'options' in place!)
  $.fn.tipsy.elementOptions = function(ele, options) {
    return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
  };

  $.fn.tipsy.defaults = {
    fade: false,
    fallback: '',
    gravity: 'n',
    html: false,
    title: 'title',
    show: true
  };

  $.fn.tipsy.autoNS = function() {
    return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
  };

  $.fn.tipsy.autoWE = function() {
    return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
  };

})(jQuery);