src/main/webapp/resources/js/rounded-counter/jquery.appear.js

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/*
 * jQuery.appear
 * https://github.com/bas2k/jquery.appear/
 * http://code.google.com/p/jquery-appear/
 *
 * Copyright (c) 2009 Michael Hixson
 * Copyright (c) 2012 Alexander Brovikov
 * Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
 */
(function($) {
	$.fn.appear = function(fn, options) {

		var settings = $.extend({

			//arbitrary data to pass to fn
			data: undefined,

			//call fn only on the first appear?
			one: true,

			// X & Y accuracy
			accX: 0,
			accY: 0

		}, options);

		return this.each(function() {

			var t = $(this);

			//whether the element is currently visible
			t.appeared = false;

			if (!fn) {

				//trigger the custom event
				t.trigger('appear', settings.data);
				return;
			}

			var w = $(window);

			//fires the appear event when appropriate
			var check = function() {

				//is the element hidden?
				if (!t.is(':visible')) {

					//it became hidden
					t.appeared = false;
					return;
				}

				//is the element inside the visible window?
				var a = w.scrollLeft();
				var b = w.scrollTop();
				var o = t.offset();
				var x = o.left;
				var y = o.top;