(function($){$.fn.lazyload=function(options){var settings={threshold:0,failurelimit:0,event:"scroll",effect:"show"};if(options){$.extend(settings,options);}
var elements=this;if("scroll"==settings.event){$(window).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>").attr("src",$(self).attr("original")).bind("load",function(){$(self).hide().attr("src",$(self).attr("original"))
[settings.effect](settings.effectspeed);self.loaded=true;});};});if("scroll"!=settings.event){$(self).bind(settings.event,function(event){if(!self.loaded){$(self).trigger("appear");}});}});};$.belowthefold=function(element,settings){var fold=$(window).height()+$(window).scrollTop();return fold<=$(element).offset().top-settings.threshold;};$.rightoffold=function(element,settings){var fold=$(window).width()+$(window).scrollLeft();return fold<=$(element).offset().left-settings.threshold;};$.extend($.expr[':'],{"below-the-fold":"$.belowthefold(a, {threshold : 0})","above-the-fold":"!$.belowthefold(a, {threshold : 0})","right-of-fold":"$.rightoffold(a, {threshold : 0})","left-of-fold":"!$.rightoffold(a, {threshold : 0})"});})(jQuery);