(function($){$.fn.lazyload=function(options){var settings={threshold:0,failurelimit:0};if(options){$.extend(settings,options);};var elements=this;if(!settings.event){$(window).bind("scroll",function(event){var counter=0;elements.each(function(){if(!$.belowthefold(this,settings)&&!$.rightoffold(this,settings)){$(this).attr("src",$(this).attr("original"));this.loaded=true;}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(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;}
if(settings.event){$(self)[settings.event](function(event){if(!self.loaded){$(self).attr("src",$(self).attr("original"));self.loaded=true;};});};});};$.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[':'],{belowthefold:"$.belowthefold(a, {threshold : 0})",abovethefold:"!$.belowthefold(a, {threshold : 0})",rightoffold:"$.rightoffold(a, {threshold : 0})",leftoffold:"!$.rightoffold(a, {threshold : 0})"});})(jQuery);