Glider=Class.create();Object.extend(Object.extend(Glider.prototype, Abstract.prototype),{initialize: function(wrapper, options){this.scrolling=false;this.wrapper=$(wrapper);this.scroller=this.wrapper.down('div.scroller');this.sections=this.wrapper.getElementsBySelector('div.section');this.options=Object.extend({duration: 1.0, frequency: 3}, options ||{});this.sections.each( function(section, index){section._index=index;}); 
this.events={click: this.click.bind(this)
};this.addObservers();if(this.options.initialSection) this.moveTo(this.options.initialSection, this.scroller,{duration:this.options.duration}); 
if(this.options.autoGlide) this.start();},
addObservers: function(){var controls=this.wrapper.getElementsBySelector('div.controls a');controls.invoke('observe', 'click', this.events.click);},
click: function(event){this.stop();var element=Event.findElement(event, 'a');if (this.scrolling) this.scrolling.cancel();this.moveTo(element.href.split("#")[1], this.scroller,{duration:this.options.duration}); 
Event.stop(event);},
moveTo: function(element, container, options){this.current=$(element);Position.prepare();var containerOffset=Position.cumulativeOffset(container),
elementOffset=Position.cumulativeOffset($(element));this.scrolling=new Effect.SmoothScroll(container, 
{duration:options.duration, x:(elementOffset[0]-containerOffset[0]), y:(elementOffset[1]-containerOffset[1])});return false;},
next: function(){if (this.current){var currentIndex=this.current._index;var nextIndex=(this.sections.length - 1==currentIndex) ? 0 : currentIndex+1;}else var nextIndex=1;this.moveTo(this.sections[nextIndex], this.scroller,{duration: this.options.duration
});},
previous: function(){if (this.current){var currentIndex=this.current._index;var prevIndex=(currentIndex==0) ? this.sections.length - 1 : 
currentIndex - 1;}else var prevIndex=this.sections.length - 1;this.moveTo(this.sections[prevIndex], this.scroller,{duration: this.options.duration
});},
stop: function(){clearTimeout(this.timer);},
start: function(){this.periodicallyUpdate();},
periodicallyUpdate: function(){if (this.timer !=null){clearTimeout(this.timer);this.next();}
this.timer=setTimeout(this.periodicallyUpdate.bind(this), this.options.frequency*1000);}});Effect.SmoothScroll=Class.create();Object.extend(Object.extend(Effect.SmoothScroll.prototype, Effect.Base.prototype),{initialize: function(element){this.element=$(element);var options=Object.extend({x:    0,
y:    0,
mode:'absolute'
}, arguments[1] ||{});this.start(options);},
setup: function(){if (this.options.continuous && !this.element._ext ){this.element.cleanWhitespace();this.element._ext=true;this.element.appendChild(this.element.firstChild);}
this.originalLeft=this.element.scrollLeft;this.originalTop=this.element.scrollTop;if(this.options.mode=='absolute'){this.options.x -=this.originalLeft;this.options.y -=this.originalTop;}},
update: function(position){this.element.scrollLeft=this.options.x * position+this.originalLeft;this.element.scrollTop=this.options.y * position+this.originalTop;}});