(function(){this.ScrollLoader=new Class({Implements:[Options,Events],options:{area:0,mode:"vertical",container:null},initialize:function(a){this.setOptions(a);
this.bound={scroll:this.scroll.bind(this)};this.container=document.id(this.options.container)||window;this.attach();},attach:function(){this.container.addEvent("scroll",this.bound.scroll);
return this;},detach:function(){this.container.removeEvent("scroll",this.bound.scroll);return this;},scroll:function(){var d=this.options.mode=="vertical"?"y":"x";
var b=this.container.getSize()[d],a=this.container.getScroll()[d],c=this.container.getScrollSize()[d];if(a+b<c-this.options.area){return;
}this.fireEvent("scroll");}});})();