//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

// Includes:
// FX.Scroll

MooTools.More={version:"1.2.2.2"};Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(b,a){this.element=this.subject=$(b);
this.parent(a);var d=this.cancel.bind(this,false);if($type(this.element)!="element"){this.element=$(this.element.getDocument().body);}var c=this.element;
if(this.options.wheelStops){this.addEvent("start",function(){c.addEvent("mousewheel",d);},true);this.addEvent("complete",function(){c.removeEvent("mousewheel",d);
},true);}},set:function(){var a=Array.flatten(arguments);this.element.scrollTo(a[0],a[1]);},compute:function(c,b,a){return[0,1].map(function(d){return Fx.compute(c[d],b[d],a);
});},start:function(c,h){if(!this.check(c,h)){return this;}var e=this.element.getSize(),f=this.element.getScrollSize();var b=this.element.getScroll(),d={x:c,y:h};
for(var g in d){var a=f[g]-e[g];if($chk(d[g])){d[g]=($type(d[g])=="number")?d[g].limit(0,a):a;}else{d[g]=b[g];}d[g]+=this.options.offset[g];}return this.parent([b.x,b.y],[d.x,d.y]);
},toTop:function(){return this.start(false,0);},toLeft:function(){return this.start(0,false);},toRight:function(){return this.start("right",false);},toBottom:function(){return this.start(false,"bottom");
},toElement:function(b){var a=$(b).getPosition(this.element);return this.start(a.x,a.y);}});