(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 ($.abovethetop(this, settings) ||
$.leftofbegin(this, settings)){/* Nothing. */} else if (!$.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);});}this.each(function(){var self = this;
if (undefined==$(self).attr("original")){$(self).attr("original", $(self).attr("src"));}
if ("scroll"!=settings.event || 
undefined==$(self).attr("src") || 
settings.placeholder==$(self).attr("src") || 
($.abovethetop(self,settings) ||
$.leftofbegin(self,settings) || 
$.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");}});}});
$(settings.container).trigger(settings.event);
return this;};
$.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;};
$.abovethetop = function(element, settings){
if (settings.container === undefined || settings.container === window){
var fold = $(window).scrollTop();}else{var fold = $(settings.container).offset().top;}
return fold >= $(element).offset().top + settings.threshold + $(element).height();};
$.leftofbegin = function(element, settings){
if (settings.container === undefined || settings.container === window){
var fold = $(window).scrollLeft();}else{var fold = $(settings.container).offset().left;}
return fold >= $(element).offset().left + settings.threshold + $(element).width();};
$.extend($.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);