(function($) {
	$.fn.lazyload = function(options) {
		var settings = {
			threshold: 0,
			failurelimit: 0,
			event: "scroll",
			effect: "show",
			container: window
		};
		if (options) {
			$.extend(settings, options)
		}
		var elements = this;
		if ("scroll" == settings.event) {
			$(settings.container).bind("scroll",
			function(event) {
				var counter = 0;
				elements.each(function() {
					if (!$.belowthefold(this, settings) && !$.rightoffold(this, settings)) {
						$(this).trigger("appear")
					} else {
						if (counter++>settings.failurelimit) {
							return false
						}
					}
				});
				var temp = $.grep(elements,
				function(element) {
					return ! element.loaded
				});
				elements = $(temp)
			})
		}
		return this.each(function() {
			var self = this;
			$(self).attr("original", $(self).attr("src"));
			if ("scroll" != settings.event || $.belowthefold(self, settings) || $.rightoffold(self, settings)) {
				if (settings.placeholder) {
					$(self).attr("src", settings.placeholder)
				} else {
					$(self).removeattr("src")
				}
				self.loaded = false
			} else {
				self.loaded = true
			}
			$(self).one("appear",
			function() {
				if (!this.loaded) {
					$("<img />").bind("load",
					function() {
						$(self).hide().attr("src", $(self).attr("original"))[settings.effect](settings.effectspeed);
						self.loaded = true
					}).attr("src", $(self).attr("original"))
				}
			});
			if ("scroll" != settings.event) {
				$(self).bind(settings.event,
				function(event) {
					if (!self.loaded) {
						$(self).trigger("appear")
					}
				})
			}
		})
	};
	$.belowthefold = function(element, settings) {
		if (settings.container === undefined || settings.container === window) {
			var fold = $(window).height() + $(window).scrolltop()
		} else {
			var fold = $(settings.container).offset().top + $(settings.container).height()
		}
		return fold <= $(element).offset().top - settings.threshold
	};
	$.rightoffold = function(element, settings) {
		if (settings.container === undefined || settings.container === window) {
			var fold = $(window).width() + $(window).scrollleft()
		} else {
			var fold = $(settings.container).offset().left + $(settings.container).width()
		}
		return fold <= $(element).offset().left - settings.threshold
	};
	$.extend($.expr[':'], {
		"below-the-fold": "$.belowthefold(a, {threshold : 0, container: window})",
		"above-the-fold": "!$.belowthefold(a, {threshold : 0, container: window})",
		"right-of-fold": "$.rightoffold(a, {threshold : 0, container: window})",
		"left-of-fold": "!$.rightoffold(a, {threshold : 0, container: window})"
	})
})(jquery);

function checkbrowse() {
    var ua = navigator.useragent.tolowercase();
    var is = (ua.match(/\b(chrome|opera|safari|msie|firefox)\b/) || ['', 'mozilla'])[1];
    var r = '(?:' + is + '|version)[\\/: ]([\\d.]+)';
    var v = (ua.match(new regexp(r)) || [])[1];
    jquery.browser.is = is;
    jquery.browser.ver = v;
    return {
        'is': jquery.browser.is,
        'ver': jquery.browser.ver
    }
}

var public = checkbrowse();
var showeffect = "";
if ((public['is'] == 'msie' && public['ver'] < 8.0)) {
	showeffect = "show"
} else {
	showeffect = "fadein"
}