Anonymous

$.fn.extend({
	Tooltip: function(settings) {
		settings = $.extend({}, $.Tooltip.defaults, settings);

		this.tooltipText = 'test';
	},
	
	showTooltip: function() { 
	  $(this).Tooltip({
		track: true, 
		delay: 0, 
	  });
	  
	  alert(this.tooltipText);  <-- undefined
	  
	},

...