// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/8fbd98e3c6cb839a2c8178c5f66d0319 
// Or build this file again with packager using: packager build More/Fx.SmoothScroll
/*
---
copyrights:
  - [MooTools](http://mootools.net)

licenses:
  - [MIT License](http://mootools.net/license.txt)
...
*/
MooTools.More={version:"1.3.0.1",build:"6dce99bed2792dffcbbbb4ddc15a1fb9a41994b5"};(function(){Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(c,b){this.element=this.subject=document.id(c);
this.parent(b);if(typeOf(this.element)!="element"){this.element=document.id(this.element.getDocument().body);}if(this.options.wheelStops){var d=this.element,e=this.cancel.pass(false,this);
this.addEvent("start",function(){d.addEvent("mousewheel",e);},true);this.addEvent("complete",function(){d.removeEvent("mousewheel",e);},true);}},set:function(){var b=Array.flatten(arguments);
if(Browser.firefox){b=[Math.round(b[0]),Math.round(b[1])];}this.element.scrollTo(b[0]+this.options.offset.x,b[1]+this.options.offset.y);},compute:function(d,c,b){return[0,1].map(function(e){return Fx.compute(d[e],c[e],b);
});},start:function(c,h){if(!this.check(c,h)){return this;}var e=this.element,f=e.getScrollSize(),b=e.getScroll(),d=e.getSize();values={x:c,y:h};for(var g in values){if(!values[g]&&values[g]!==0){values[g]=b[g];
}if(typeOf(values[g])!="number"){values[g]=f[g]-d[g];}values[g]+=this.options.offset[g];}return this.parent([b.x,b.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(d){var c=document.id(d).getPosition(this.element),b=a(this.element)?{x:0,y:0}:this.element.getScroll();return this.start(c.x+b.x,c.y+b.y);
},scrollIntoView:function(d,g,e){g=g?Array.from(g):["x","y"];d=document.id(d);var i={},f=d.getPosition(this.element),j=d.getSize(),h=this.element.getScroll(),b=this.element.getSize(),c={x:f.x+j.x,y:f.y+j.y};
["x","y"].each(function(k){if(g.contains(k)){if(c[k]>h[k]+b[k]){i[k]=c[k]-b[k];}if(f[k]<h[k]){i[k]=f[k];}}if(i[k]==null){i[k]=h[k];}if(e&&e[k]){i[k]=i[k]+e[k];
}},this);if(i.x!=h.x||i.y!=h.y){this.start(i.x,i.y);}return this;},scrollToCenter:function(e,f,h){f=f?Array.from(f):["x","y"];e=document.id(e);var i={},c=e.getPosition(this.element),d=e.getSize(),b=this.element.getScroll(),g=this.element.getSize();
["x","y"].each(function(j){if(f.contains(j)){i[j]=c[j]-(g[j]-d[j])/2;}if(i[j]==null){i[j]=b[j];}if(h&&h[j]){i[j]=i[j]+h[j];}},this);if(i.x!=b.x||i.y!=b.y){this.start(i.x,i.y);
}return this;}});function a(b){return(/^(?:body|html)$/i).test(b.tagName);}})();var SmoothScroll=Fx.SmoothScroll=new Class({Extends:Fx.Scroll,initialize:function(c,d){d=d||document;
this.doc=d.getDocument();this.parent(this.doc,c);var e=d.getWindow(),a=e.location.href.match(/^[^#]*/)[0]+"#",b=$$(this.options.links||this.doc.links);
b.each(function(g){if(g.href.indexOf(a)!=0){return;}var f=g.href.substr(a.length);if(f){this.useLink(g,f);}},this);},useLink:function(b,a){b.addEvent("click",function(d){var c=document.id(a)||this.doc.getElement("a[name="+a+"]");
if(!c){return;}d.preventDefault();this.toElement(c).chain(function(){this.fireEvent("scrolledTo",[b,c]);}.bind(this));}.bind(this));return this;}});