// MooTools: the javascript framework.
// Load this file's selection again by visiting: http://mootools.net/more/009680d15b67a8ef1c7291cec4fadac9 
// Or build this file again with packager using: packager build More/More More/Events.Pseudos More/Chain.Wait More/Element.Measure More/Fx.Elements More/Fx.Scroll More/Fx.Slide More/Drag More/Drag.Move More/Slider More/Assets More/Scroller
/*
---
copyrights:
  - [MooTools](http://mootools.net)

licenses:
  - [MIT License](http://mootools.net/license.txt)
...
*/
MooTools.More={version:"1.4.0.1",build:"a4244edf2aa97ac8a196fc96082dd35af1abab87"};(function(){Events.Pseudos=function(h,e,f){var d="_monitorEvents:";var c=function(i){return{store:i.store?function(j,k){i.store(d+j,k);
}:function(j,k){(i._monitorEvents||(i._monitorEvents={}))[j]=k;},retrieve:i.retrieve?function(j,k){return i.retrieve(d+j,k);}:function(j,k){if(!i._monitorEvents){return k;
}return i._monitorEvents[j]||k;}};};var g=function(k){if(k.indexOf(":")==-1||!h){return null;}var j=Slick.parse(k).expressions[0][0],p=j.pseudos,i=p.length,o=[];
while(i--){var n=p[i].key,m=h[n];if(m!=null){o.push({event:j.tag,value:p[i].value,pseudo:n,original:k,listener:m});}}return o.length?o:null;};return{addEvent:function(m,p,j){var n=g(m);
if(!n){return e.call(this,m,p,j);}var k=c(this),r=k.retrieve(m,[]),i=n[0].event,l=Array.slice(arguments,2),o=p,q=this;n.each(function(s){var t=s.listener,u=o;
if(t==false){i+=":"+s.pseudo+"("+s.value+")";}else{o=function(){t.call(q,s,u,arguments,o);};}});r.include({type:i,event:p,monitor:o});k.store(m,r);if(m!=i){e.apply(this,[m,p].concat(l));
}return e.apply(this,[i,o].concat(l));},removeEvent:function(m,l){var k=g(m);if(!k){return f.call(this,m,l);}var n=c(this),j=n.retrieve(m);if(!j){return this;
}var i=Array.slice(arguments,2);f.apply(this,[m,l].concat(i));j.each(function(o,p){if(!l||o.event==l){f.apply(this,[o.type,o.monitor].concat(i));}delete j[p];
},this);n.store(m,j);return this;}};};var b={once:function(e,f,d,c){f.apply(this,d);this.removeEvent(e.event,c).removeEvent(e.original,f);},throttle:function(d,e,c){if(!e._throttled){e.apply(this,c);
e._throttled=setTimeout(function(){e._throttled=false;},d.value||250);}},pause:function(d,e,c){clearTimeout(e._pause);e._pause=e.delay(d.value||250,this,c);
}};Events.definePseudo=function(c,d){b[c]=d;return this;};Events.lookupPseudo=function(c){return b[c];};var a=Events.prototype;Events.implement(Events.Pseudos(b,a.addEvent,a.removeEvent));
["Request","Fx"].each(function(c){if(this[c]){this[c].implement(Events.prototype);}});})();(function(){var a={wait:function(b){return this.chain(function(){this.callChain.delay(b==null?500:b,this);
return this;}.bind(this));}};Chain.implement(a);if(this.Fx){Fx.implement(a);}if(this.Element&&Element.implement&&this.Fx){Element.implement({chains:function(b){Array.from(b||["tween","morph","reveal"]).each(function(c){c=this.get(c);
if(!c){return;}c.setOptions({link:"chain"});},this);return this;},pauseFx:function(c,b){this.chains(b).get(b||"tween").wait(c);return this;}});}})();(function(){var b=function(e,d){var f=[];
Object.each(d,function(g){Object.each(g,function(h){e.each(function(i){f.push(i+"-"+h+(i=="border"?"-width":""));});});});return f;};var c=function(f,e){var d=0;
Object.each(e,function(h,g){if(g.test(f)){d=d+h.toInt();}});return d;};var a=function(d){return !!(!d||d.offsetHeight||d.offsetWidth);};Element.implement({measure:function(h){if(a(this)){return h.call(this);
}var g=this.getParent(),e=[];while(!a(g)&&g!=document.body){e.push(g.expose());g=g.getParent();}var f=this.expose(),d=h.call(this);f();e.each(function(i){i();
});return d;},expose:function(){if(this.getStyle("display")!="none"){return function(){};}var d=this.style.cssText;this.setStyles({display:"block",position:"absolute",visibility:"hidden"});
return function(){this.style.cssText=d;}.bind(this);},getDimensions:function(d){d=Object.merge({computeSize:false},d);var i={x:0,y:0};var h=function(j,e){return(e.computeSize)?j.getComputedSize(e):j.getSize();
};var f=this.getParent("body");if(f&&this.getStyle("display")=="none"){i=this.measure(function(){return h(this,d);});}else{if(f){try{i=h(this,d);}catch(g){}}}return Object.append(i,(i.x||i.x===0)?{width:i.x,height:i.y}:{x:i.width,y:i.height});
},getComputedSize:function(d){d=Object.merge({styles:["padding","border"],planes:{height:["top","bottom"],width:["left","right"]},mode:"both"},d);var g={},e={width:0,height:0},f;
if(d.mode=="vertical"){delete e.width;delete d.planes.width;}else{if(d.mode=="horizontal"){delete e.height;delete d.planes.height;}}b(d.styles,d.planes).each(function(h){g[h]=this.getStyle(h).toInt();
},this);Object.each(d.planes,function(i,h){var k=h.capitalize(),j=this.getStyle(h);if(j=="auto"&&!f){f=this.getDimensions();}j=g[h]=(j=="auto")?f[h]:j.toInt();
e["total"+k]=j;i.each(function(m){var l=c(m,g);e["computed"+m.capitalize()]=l;e["total"+k]+=l;});},this);return Object.append(e,g);}});})();Fx.Elements=new Class({Extends:Fx.CSS,initialize:function(b,a){this.elements=this.subject=$$(b);
this.parent(a);},compute:function(g,h,j){var c={};for(var d in g){var a=g[d],e=h[d],f=c[d]={};for(var b in a){f[b]=this.parent(a[b],e[b],j);}}return c;
},set:function(b){for(var c in b){if(!this.elements[c]){continue;}var a=b[c];for(var d in a){this.render(this.elements[c],d,a[d],this.options.unit);}}return this;
},start:function(c){if(!this.check(c)){return this;}var h={},j={};for(var d in c){if(!this.elements[d]){continue;}var f=c[d],a=h[d]={},g=j[d]={};for(var b in f){var e=this.prepare(this.elements[d],b,f[b]);
a[b]=e.from;g[b]=e.to;}}return this.parent(h,j);}});(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],b[1]);return this;},compute:function(d,c,b){return[0,1].map(function(e){return Fx.compute(d[e],c[e],b);
});},start:function(c,d){if(!this.check(c,d)){return this;}var b=this.element.getScroll();return this.parent([b.x,b.y],[c,d]);},calculateScroll:function(g,f){var d=this.element,b=d.getScrollSize(),h=d.getScroll(),j=d.getSize(),c=this.options.offset,i={x:g,y:f};
for(var e in i){if(!i[e]&&i[e]!==0){i[e]=h[e];}if(typeOf(i[e])!="number"){i[e]=b[e]-j[e];}i[e]+=c[e];}return[i.x,i.y];},toTop:function(){return this.start.apply(this,this.calculateScroll(false,0));
},toLeft:function(){return this.start.apply(this,this.calculateScroll(0,false));},toRight:function(){return this.start.apply(this,this.calculateScroll("right",false));
},toBottom:function(){return this.start.apply(this,this.calculateScroll(false,"bottom"));},toElement:function(d,e){e=e?Array.from(e):["x","y"];var c=a(this.element)?{x:0,y:0}:this.element.getScroll();
var b=Object.map(document.id(d).getPosition(this.element),function(g,f){return e.contains(f)?g+c[f]:false;});return this.start.apply(this,this.calculateScroll(b.x,b.y));
},toElementEdge: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;},toElementCenter: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);}})();Fx.Slide=new Class({Extends:Fx,options:{mode:"vertical",wrapper:false,hideOverflow:true,resetHeight:false},initialize:function(b,a){b=this.element=this.subject=document.id(b);
this.parent(a);a=this.options;var d=b.retrieve("wrapper"),c=b.getStyles("margin","position","overflow");if(a.hideOverflow){c=Object.append(c,{overflow:"hidden"});
}if(a.wrapper){d=document.id(a.wrapper).setStyles(c);}if(!d){d=new Element("div",{styles:c}).wraps(b);}b.store("wrapper",d).setStyle("margin",0);if(b.getStyle("overflow")=="visible"){b.setStyle("overflow","hidden");
}this.now=[];this.open=true;this.wrapper=d;this.addEvent("complete",function(){this.open=(d["offset"+this.layout.capitalize()]!=0);if(this.open&&this.options.resetHeight){d.setStyle("height","");
}},true);},vertical:function(){this.margin="margin-top";this.layout="height";this.offset=this.element.offsetHeight;},horizontal:function(){this.margin="margin-left";
this.layout="width";this.offset=this.element.offsetWidth;},set:function(a){this.element.setStyle(this.margin,a[0]);this.wrapper.setStyle(this.layout,a[1]);
return this;},compute:function(c,b,a){return[0,1].map(function(d){return Fx.compute(c[d],b[d],a);});},start:function(b,e){if(!this.check(b,e)){return this;
}this[e||this.options.mode]();var d=this.element.getStyle(this.margin).toInt(),c=this.wrapper.getStyle(this.layout).toInt(),a=[[d,c],[0,this.offset]],g=[[d,c],[-this.offset,0]],f;
switch(b){case"in":f=a;break;case"out":f=g;break;case"toggle":f=(c==0)?a:g;}return this.parent(f[0],f[1]);},slideIn:function(a){return this.start("in",a);
},slideOut:function(a){return this.start("out",a);},hide:function(a){this[a||this.options.mode]();this.open=false;return this.set([-this.offset,0]);},show:function(a){this[a||this.options.mode]();
this.open=true;return this.set([0,this.offset]);},toggle:function(a){return this.start("toggle",a);}});Element.Properties.slide={set:function(a){this.get("slide").cancel().setOptions(a);
return this;},get:function(){var a=this.retrieve("slide");if(!a){a=new Fx.Slide(this,{link:"cancel"});this.store("slide",a);}return a;}};Element.implement({slide:function(d,e){d=d||"toggle";
var b=this.get("slide"),a;switch(d){case"hide":b.hide(e);break;case"show":b.show(e);break;case"toggle":var c=this.retrieve("slide:flag",b.open);b[c?"slideOut":"slideIn"](e);
this.store("slide:flag",!c);a=true;break;default:b.start(d,e);}if(!a){this.eliminate("slide:flag");}return this;}});var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:"px",grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,stopPropagation:false,modifiers:{x:"left",y:"top"}},initialize:function(){var b=Array.link(arguments,{options:Type.isObject,element:function(c){return c!=null;
}});this.element=document.id(b.element);this.document=this.element.getDocument();this.setOptions(b.options||{});var a=typeOf(this.options.handle);this.handles=((a=="array"||a=="collection")?$$(this.options.handle):document.id(this.options.handle))||this.element;
this.mouse={now:{},pos:{}};this.value={start:{},now:{}};this.selection=(Browser.ie)?"selectstart":"mousedown";if(Browser.ie&&!Drag.ondragstartFixed){document.ondragstart=Function.from(false);
Drag.ondragstartFixed=true;}this.bound={start:this.start.bind(this),check:this.check.bind(this),drag:this.drag.bind(this),stop:this.stop.bind(this),cancel:this.cancel.bind(this),eventStop:Function.from(false)};
this.attach();},attach:function(){this.handles.addEvent("mousedown",this.bound.start);return this;},detach:function(){this.handles.removeEvent("mousedown",this.bound.start);
return this;},start:function(a){var j=this.options;if(a.rightClick){return;}if(j.preventDefault){a.preventDefault();}if(j.stopPropagation){a.stopPropagation();
}this.mouse.start=a.page;this.fireEvent("beforeStart",this.element);var c=j.limit;this.limit={x:[],y:[]};var e,g;for(e in j.modifiers){if(!j.modifiers[e]){continue;
}var b=this.element.getStyle(j.modifiers[e]);if(b&&!b.match(/px$/)){if(!g){g=this.element.getCoordinates(this.element.getOffsetParent());}b=g[j.modifiers[e]];
}if(j.style){this.value.now[e]=(b||0).toInt();}else{this.value.now[e]=this.element[j.modifiers[e]];}if(j.invert){this.value.now[e]*=-1;}this.mouse.pos[e]=a.page[e]-this.value.now[e];
if(c&&c[e]){var d=2;while(d--){var f=c[e][d];if(f||f===0){this.limit[e][d]=(typeof f=="function")?f():f;}}}}if(typeOf(this.options.grid)=="number"){this.options.grid={x:this.options.grid,y:this.options.grid};
}var h={mousemove:this.bound.check,mouseup:this.bound.cancel};h[this.selection]=this.bound.eventStop;this.document.addEvents(h);},check:function(a){if(this.options.preventDefault){a.preventDefault();
}var b=Math.round(Math.sqrt(Math.pow(a.page.x-this.mouse.start.x,2)+Math.pow(a.page.y-this.mouse.start.y,2)));if(b>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});
this.fireEvent("start",[this.element,a]).fireEvent("snap",this.element);}},drag:function(b){var a=this.options;if(a.preventDefault){b.preventDefault();
}this.mouse.now=b.page;for(var c in a.modifiers){if(!a.modifiers[c]){continue;}this.value.now[c]=this.mouse.now[c]-this.mouse.pos[c];if(a.invert){this.value.now[c]*=-1;
}if(a.limit&&this.limit[c]){if((this.limit[c][1]||this.limit[c][1]===0)&&(this.value.now[c]>this.limit[c][1])){this.value.now[c]=this.limit[c][1];}else{if((this.limit[c][0]||this.limit[c][0]===0)&&(this.value.now[c]<this.limit[c][0])){this.value.now[c]=this.limit[c][0];
}}}if(a.grid[c]){this.value.now[c]-=((this.value.now[c]-(this.limit[c][0]||0))%a.grid[c]);}if(a.style){this.element.setStyle(a.modifiers[c],this.value.now[c]+a.unit);
}else{this.element[a.modifiers[c]]=this.value.now[c];}}this.fireEvent("drag",[this.element,b]);},cancel:function(a){this.document.removeEvents({mousemove:this.bound.check,mouseup:this.bound.cancel});
if(a){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent("cancel",this.element);}},stop:function(b){var a={mousemove:this.bound.drag,mouseup:this.bound.stop};
a[this.selection]=this.bound.eventStop;this.document.removeEvents(a);if(b){this.fireEvent("complete",[this.element,b]);}}});Element.implement({makeResizable:function(a){var b=new Drag(this,Object.merge({modifiers:{x:"width",y:"height"}},a));
this.store("resizer",b);return b.addEvent("drag",function(){this.fireEvent("resize",b);}.bind(this));}});Drag.Move=new Class({Extends:Drag,options:{droppables:[],container:false,precalculate:false,includeMargins:true,checkDroppables:true},initialize:function(b,a){this.parent(b,a);
b=this.element;this.droppables=$$(this.options.droppables);this.container=document.id(this.options.container);if(this.container&&typeOf(this.container)!="element"){this.container=document.id(this.container.getDocument().body);
}if(this.options.style){if(this.options.modifiers.x=="left"&&this.options.modifiers.y=="top"){var c=b.getOffsetParent(),d=b.getStyles("left","top");if(c&&(d.left=="auto"||d.top=="auto")){b.setPosition(b.getPosition(c));
}}if(b.getStyle("position")=="static"){b.setStyle("position","absolute");}}this.addEvent("start",this.checkDroppables,true);this.overed=null;},start:function(a){if(this.container){this.options.limit=this.calculateLimit();
}if(this.options.precalculate){this.positions=this.droppables.map(function(b){return b.getCoordinates();});}this.parent(a);},calculateLimit:function(){var j=this.element,e=this.container,d=document.id(j.getOffsetParent())||document.body,h=e.getCoordinates(d),c={},b={},k={},g={},m={};
["top","right","bottom","left"].each(function(q){c[q]=j.getStyle("margin-"+q).toInt();b[q]=j.getStyle("border-"+q).toInt();k[q]=e.getStyle("margin-"+q).toInt();
g[q]=e.getStyle("border-"+q).toInt();m[q]=d.getStyle("padding-"+q).toInt();},this);var f=j.offsetWidth+c.left+c.right,p=j.offsetHeight+c.top+c.bottom,i=0,l=0,o=h.right-g.right-f,a=h.bottom-g.bottom-p;
if(this.options.includeMargins){i+=c.left;l+=c.top;}else{o+=c.right;a+=c.bottom;}if(j.getStyle("position")=="relative"){var n=j.getCoordinates(d);n.left-=j.getStyle("left").toInt();
n.top-=j.getStyle("top").toInt();i-=n.left;l-=n.top;if(e.getStyle("position")!="relative"){i+=g.left;l+=g.top;}o+=c.left-n.left;a+=c.top-n.top;if(e!=d){i+=k.left+m.left;
l+=((Browser.ie6||Browser.ie7)?0:k.top)+m.top;}}else{i-=c.left;l-=c.top;if(e!=d){i+=h.left+g.left;l+=h.top+g.top;}}return{x:[i,o],y:[l,a]};},getDroppableCoordinates:function(c){var b=c.getCoordinates();
if(c.getStyle("position")=="fixed"){var a=window.getScroll();b.left+=a.x;b.right+=a.x;b.top+=a.y;b.bottom+=a.y;}return b;},checkDroppables:function(){var a=this.droppables.filter(function(d,c){d=this.positions?this.positions[c]:this.getDroppableCoordinates(d);
var b=this.mouse.now;return(b.x>d.left&&b.x<d.right&&b.y<d.bottom&&b.y>d.top);},this).getLast();if(this.overed!=a){if(this.overed){this.fireEvent("leave",[this.element,this.overed]);
}if(a){this.fireEvent("enter",[this.element,a]);}this.overed=a;}},drag:function(a){this.parent(a);if(this.options.checkDroppables&&this.droppables.length){this.checkDroppables();
}},stop:function(a){this.checkDroppables();this.fireEvent("drop",[this.element,this.overed,a]);this.overed=null;return this.parent(a);}});Element.implement({makeDraggable:function(a){var b=new Drag.Move(this,a);
this.store("dragger",b);return b;}});Class.Mutators.Binds=function(a){if(!this.prototype.initialize){this.implement("initialize",function(){});}return Array.from(a).concat(this.prototype.Binds||[]);
};Class.Mutators.initialize=function(a){return function(){Array.from(this.Binds).each(function(b){var c=this[b];if(c){this[b]=c.bind(this);}},this);return a.apply(this,arguments);
};};var Slider=new Class({Implements:[Events,Options],Binds:["clickedElement","draggedKnob","scrolledElement"],options:{onTick:function(a){this.setKnobPosition(a);
},initialStep:0,snap:false,offset:0,range:false,wheel:false,steps:100,mode:"horizontal"},initialize:function(f,a,e){this.setOptions(e);e=this.options;this.element=document.id(f);
a=this.knob=document.id(a);this.previousChange=this.previousEnd=this.step=-1;var b={},d={x:false,y:false};switch(e.mode){case"vertical":this.axis="y";this.property="top";
this.offset="offsetHeight";break;case"horizontal":this.axis="x";this.property="left";this.offset="offsetWidth";}this.setSliderDimensions();this.setRange(e.range);
if(a.getStyle("position")=="static"){a.setStyle("position","relative");}a.setStyle(this.property,-e.offset);d[this.axis]=this.property;b[this.axis]=[-e.offset,this.full-e.offset];
var c={snap:0,limit:b,modifiers:d,onDrag:this.draggedKnob,onStart:this.draggedKnob,onBeforeStart:(function(){this.isDragging=true;}).bind(this),onCancel:function(){this.isDragging=false;
}.bind(this),onComplete:function(){this.isDragging=false;this.draggedKnob();this.end();}.bind(this)};if(e.snap){this.setSnap(c);}this.drag=new Drag(a,c);
this.attach();if(e.initialStep!=null){this.set(e.initialStep);}},attach:function(){this.element.addEvent("mousedown",this.clickedElement);if(this.options.wheel){this.element.addEvent("mousewheel",this.scrolledElement);
}this.drag.attach();return this;},detach:function(){this.element.removeEvent("mousedown",this.clickedElement).removeEvent("mousewheel",this.scrolledElement);
this.drag.detach();return this;},autosize:function(){this.setSliderDimensions().setKnobPosition(this.toPosition(this.step));this.drag.options.limit[this.axis]=[-this.options.offset,this.full-this.options.offset];
if(this.options.snap){this.setSnap();}return this;},setSnap:function(a){if(!a){a=this.drag.options;}a.grid=Math.ceil(this.stepWidth);a.limit[this.axis][1]=this.full;
return this;},setKnobPosition:function(a){if(this.options.snap){a=this.toPosition(this.step);}this.knob.setStyle(this.property,a);return this;},setSliderDimensions:function(){this.full=this.element.measure(function(){this.half=this.knob[this.offset]/2;
return this.element[this.offset]-this.knob[this.offset]+(this.options.offset*2);}.bind(this));return this;},set:function(a){if(!((this.range>0)^(a<this.min))){a=this.min;
}if(!((this.range>0)^(a>this.max))){a=this.max;}this.step=Math.round(a);return this.checkStep().fireEvent("tick",this.toPosition(this.step)).end();},setRange:function(a,b){this.min=Array.pick([a[0],0]);
this.max=Array.pick([a[1],this.options.steps]);this.range=this.max-this.min;this.steps=this.options.steps||this.full;this.stepSize=Math.abs(this.range)/this.steps;
this.stepWidth=this.stepSize*this.full/Math.abs(this.range);if(a){this.set(Array.pick([b,this.step]).floor(this.min).max(this.max));}return this;},clickedElement:function(c){if(this.isDragging||c.target==this.knob){return;
}var b=this.range<0?-1:1,a=c.page[this.axis]-this.element.getPosition()[this.axis]-this.half;a=a.limit(-this.options.offset,this.full-this.options.offset);
this.step=Math.round(this.min+b*this.toStep(a));this.checkStep().fireEvent("tick",a).end();},scrolledElement:function(a){var b=(this.options.mode=="horizontal")?(a.wheel<0):(a.wheel>0);
this.set(this.step+(b?-1:1)*this.stepSize);a.stop();},draggedKnob:function(){var b=this.range<0?-1:1,a=this.drag.value.now[this.axis];a=a.limit(-this.options.offset,this.full-this.options.offset);
this.step=Math.round(this.min+b*this.toStep(a));this.checkStep();},checkStep:function(){var a=this.step;if(this.previousChange!=a){this.previousChange=a;
this.fireEvent("change",a);}return this;},end:function(){var a=this.step;if(this.previousEnd!==a){this.previousEnd=a;this.fireEvent("complete",a+"");}return this;
},toStep:function(a){var b=(a+this.options.offset)*this.stepSize/this.full*this.steps;return this.options.steps?Math.round(b-=b%this.stepSize):b;},toPosition:function(a){return(this.full*Math.abs(this.min-a))/(this.steps*this.stepSize)-this.options.offset;
}});var Asset={javascript:function(d,b){if(!b){b={};}var a=new Element("script",{src:d,type:"text/javascript"}),e=b.document||document,c=b.onload||b.onLoad;
delete b.onload;delete b.onLoad;delete b.document;if(c){if(typeof a.onreadystatechange!="undefined"){a.addEvent("readystatechange",function(){if(["loaded","complete"].contains(this.readyState)){c.call(this);
}});}else{a.addEvent("load",c);}}return a.set(b).inject(e.head);},css:function(d,a){if(!a){a={};}var b=new Element("link",{rel:"stylesheet",media:"screen",type:"text/css",href:d});
var c=a.onload||a.onLoad,e=a.document||document;delete a.onload;delete a.onLoad;delete a.document;if(c){b.addEvent("load",c);}return b.set(a).inject(e.head);
},image:function(c,b){if(!b){b={};}var d=new Image(),a=document.id(d)||new Element("img");["load","abort","error"].each(function(e){var g="on"+e,f="on"+e.capitalize(),h=b[g]||b[f]||function(){};
delete b[f];delete b[g];d[g]=function(){if(!d){return;}if(!a.parentNode){a.width=d.width;a.height=d.height;}d=d.onload=d.onabort=d.onerror=null;h.delay(1,a,a);
a.fireEvent(e,a,1);};});d.src=a.src=c;if(d&&d.complete){d.onload.delay(1);}return a.set(b);},images:function(c,b){c=Array.from(c);var d=function(){},a=0;
b=Object.merge({onComplete:d,onProgress:d,onError:d,properties:{}},b);return new Elements(c.map(function(f,e){return Asset.image(f,Object.append(b.properties,{onload:function(){a++;
b.onProgress.call(this,a,e,f);if(a==c.length){b.onComplete();}},onerror:function(){a++;b.onError.call(this,a,e,f);if(a==c.length){b.onComplete();}}}));
}));}};var Scroller=new Class({Implements:[Events,Options],options:{area:20,velocity:1,onChange:function(a,b){this.element.scrollTo(a,b);},fps:50},initialize:function(b,a){this.setOptions(a);
this.element=document.id(b);this.docBody=document.id(this.element.getDocument().body);this.listener=(typeOf(this.element)!="element")?this.docBody:this.element;
this.timer=null;this.bound={attach:this.attach.bind(this),detach:this.detach.bind(this),getCoords:this.getCoords.bind(this)};},start:function(){this.listener.addEvents({mouseover:this.bound.attach,mouseleave:this.bound.detach});
return this;},stop:function(){this.listener.removeEvents({mouseover:this.bound.attach,mouseleave:this.bound.detach});this.detach();this.timer=clearInterval(this.timer);
return this;},attach:function(){this.listener.addEvent("mousemove",this.bound.getCoords);},detach:function(){this.listener.removeEvent("mousemove",this.bound.getCoords);
this.timer=clearInterval(this.timer);},getCoords:function(a){this.page=(this.listener.get("tag")=="body")?a.client:a.page;if(!this.timer){this.timer=this.scroll.periodical(Math.round(1000/this.options.fps),this);
}},scroll:function(){var c=this.element.getSize(),a=this.element.getScroll(),h=this.element!=this.docBody?this.element.getOffsets():{x:0,y:0},d=this.element.getScrollSize(),g={x:0,y:0},e=this.options.area.top||this.options.area,b=this.options.area.bottom||this.options.area;
for(var f in this.page){if(this.page[f]<(e+h[f])&&a[f]!=0){g[f]=(this.page[f]-e-h[f])*this.options.velocity;}else{if(this.page[f]+b>(c[f]+h[f])&&a[f]+c[f]!=d[f]){g[f]=(this.page[f]-c[f]+b-h[f])*this.options.velocity;
}}g[f]=g[f].round();}if(g.y||g.x){this.fireEvent("change",[a.x+g.x,a.y+g.y]);}}});

