/*
* Lazy Load - jQuery plugin for lazy loading images
*
* Copyright (c) 2007-2011 Mika Tuupola
*
* Licensed under the MIT license:
*   http://www.opensource.org/licenses/mit-license.php
*
* Project home:
*   http://www.appelsiini.net/projects/lazyload
*
* Version:  1.6.0
*
*/
(function(a) { a.fn.lazyload = function(b) { var c = { threshold: 0, failure_limit: 0, event: "scroll", effect: "show", container: window, skip_invisible: !0 }; b && (null !== b.failurelimit && (b.failure_limit = b.failurelimit, delete b.failurelimit), a.extend(c, b)); var d = this; return 0 == c.event.indexOf("scroll") && a(c.container).bind(c.event, function(b) { var e = 0; d.each(function() { if (c.skip_invisible && !a(this).is(":visible")) return; if (!a.abovethetop(this, c) && !a.leftofbegin(this, c)) if (!a.belowthefold(this, c) && !a.rightoffold(this, c)) a(this).trigger("appear"); else if (++e > c.failure_limit) return !1 }); var f = a.grep(d, function(a) { return !a.loaded }); d = a(f) }), this.each(function() { var b = this; b.loaded = !1, a(b).one("appear", function() { this.loaded || a("<img />").bind("load", function() { a(b).hide().attr("src", a(b).data("original"))[c.effect](c.effectspeed), b.loaded = !0 }).attr("src", a(b).data("original")) }), 0 != c.event.indexOf("scroll") && a(b).bind(c.event, function(c) { b.loaded || a(b).trigger("appear") }) }), a(c.container).trigger(c.event), this }, a.belowthefold = function(b, c) { if (c.container === undefined || c.container === window) var d = a(window).height() + a(window).scrollTop(); else var d = a(c.container).offset().top + a(c.container).height(); return d <= a(b).offset().top - c.threshold }, a.rightoffold = function(b, c) { if (c.container === undefined || c.container === window) var d = a(window).width() + a(window).scrollLeft(); else var d = a(c.container).offset().left + a(c.container).width(); return d <= a(b).offset().left - c.threshold }, a.abovethetop = function(b, c) { if (c.container === undefined || c.container === window) var d = a(window).scrollTop(); else var d = a(c.container).offset().top; return d >= a(b).offset().top + c.threshold + a(b).height() }, a.leftofbegin = function(b, c) { if (c.container === undefined || c.container === window) var d = a(window).scrollLeft(); else var d = a(c.container).offset().left; return d >= a(b).offset().left + c.threshold + a(b).width() }, a.extend(a.expr[":"], { "below-the-fold": function(b) { return a.belowthefold(b, { threshold: 0, container: window }) }, "above-the-fold": function(b) { return !a.belowthefold(b, { threshold: 0, container: window }) }, "right-of-fold": function(b) { return a.rightoffold(b, { threshold: 0, container: window }) }, "left-of-fold": function(b) { return !a.rightoffold(b, { threshold: 0, container: window }) } }) })(jQuery)