MooTools.More={'version':'1.2.3.1'};Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(element,options){this.element=this.subject=document.id(element);this.parent(options);var cancel=this.cancel.bind(this,false);if($type(this.element)!='element')this.element=document.id(this.element.getDocument().body);var stopper=this.element;if(this.options.wheelStops){this.addEvent('start',function(){stopper.addEvent('mousewheel',cancel);},true);this.addEvent('complete',function(){stopper.removeEvent('mousewheel',cancel);},true);}},set:function(){var now=Array.flatten(arguments);this.element.scrollTo(now[0],now[1]);},compute:function(from,to,delta){return[0,1].map(function(i){return Fx.compute(from[i],to[i],delta);});},start:function(x,y){if(!this.check(x,y))return this;var offsetSize=this.element.getSize(),scrollSize=this.element.getScrollSize();var scroll=this.element.getScroll(),values={x:x,y:y};for(var z in values){var max=scrollSize[z]-offsetSize[z];if($chk(values[z]))values[z]=($type(values[z])=='number')?values[z].limit(0,max):max;else values[z]=scroll[z];values[z]+=this.options.offset[z];}
return this.parent([scroll.x,scroll.y],[values.x,values.y]);},toTop:function(){return this.start(false,0);},toLeft:function(){return this.start(0,false);},toRight:function(){return this.start('right',false);},toBottom:function(){return this.start(false,'bottom');},toElement:function(el){var position=document.id(el).getPosition(this.element);return this.start(position.x,position.y);},scrollIntoView:function(el,axes,offset){axes=axes?$splat(axes):['x','y'];var to={};el=document.id(el);var pos=el.getPosition(this.element);var size=el.getSize();var scroll=this.element.getScroll();var containerSize=this.element.getSize();var edge={x:pos.x+size.x,y:pos.y+size.y};['x','y'].each(function(axis){if(axes.contains(axis)){if(edge[axis]>scroll[axis]+containerSize[axis])to[axis]=edge[axis]-containerSize[axis];if(pos[axis]<scroll[axis])to[axis]=pos[axis];}
if(to[axis]==null)to[axis]=scroll[axis];if(offset&&offset[axis])to[axis]=to[axis]+offset[axis];},this);if(to.x!=scroll.x||to.y!=scroll.y)this.start(to.x,to.y);return this;}});