//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

Fx.Slide=new Class({Extends:Fx,options:{mode:"vertical"},initialize:function(B,A){this.addEvent("complete",function(){this.open=(this.wrapper["offset"+this.layout.capitalize()]!=0);
if(this.open&&Browser.Engine.webkit419){this.element.dispose().inject(this.wrapper);}},true);this.element=this.subject=$(B);this.parent(A);var C=this.element.retrieve("wrapper");
this.wrapper=C||new Element("div",{styles:$extend(this.element.getStyles("margin","position"),{overflow:"hidden"})}).wraps(this.element);this.element.store("wrapper",this.wrapper).setStyle("margin",0);
this.now=[];this.open=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(E,D,C){var B=[];var A=2;A.times(function(F){B[F]=Fx.compute(E[F],D[F],C);});return B;},start:function(B,E){if(!this.check(arguments.callee,B,E)){return this;
}this[E||this.options.mode]();var D=this.element.getStyle(this.margin).toInt();var C=this.wrapper.getStyle(this.layout).toInt();var A=[[D,C],[0,this.offset]];
var G=[[D,C],[-this.offset,0]];var F;switch(B){case"in":F=A;break;case"out":F=G;break;case"toggle":F=(this.wrapper["offset"+this.layout.capitalize()]==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(B){var A=this.retrieve("slide");if(A){A.cancel();}return this.eliminate("slide").store("slide:options",$extend({link:"cancel"},B));
},get:function(A){if(A||!this.retrieve("slide")){if(A||!this.retrieve("slide:options")){this.set("slide",A);}this.store("slide",new Fx.Slide(this,this.retrieve("slide:options")));
}return this.retrieve("slide");}};Element.implement({slide:function(D,E){D=D||"toggle";var B=this.get("slide"),A;switch(D){case"hide":B.hide(E);break;case"show":B.show(E);
break;case"toggle":var C=this.retrieve("slide:flag",B.open);B[(C)?"slideOut":"slideIn"](E);this.store("slide:flag",!C);A=true;break;default:B.start(D,E);
}if(!A){this.eliminate("slide:flag");}return this;}});Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(B,A){this.element=this.subject=$(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(E,D,C){var B=[];var A=2;A.times(function(F){B.push(Fx.compute(E[F],D[F],C));
});return B;},start:function(C,H){if(!this.check(arguments.callee,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);}});Fx.Elements=new Class({Extends:Fx.CSS,initialize:function(B,A){this.elements=this.subject=$$(B);
this.parent(A);},compute:function(G,H,I){var C={};for(var D in G){var A=G[D],E=H[D],F=C[D]={};for(var B in A){F[B]=this.parent(A[B],E[B],I);}}return C;
},set:function(B){for(var C in B){var A=B[C];for(var D in A){this.render(this.elements[C],D,A[D],this.options.unit);}}return this;},start:function(C){if(!this.check(arguments.callee,C)){return this;
}var H={},I={};for(var D in C){var F=C[D],A=H[D]={},G=I[D]={};for(var B in F){var E=this.prepare(this.elements[D],B,F[B]);A[B]=E.from;G[B]=E.to;}}return this.parent(H,I);
}});var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:"px",grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,modifiers:{x:"left",y:"top"}},initialize:function(){var B=Array.link(arguments,{options:Object.type,element:$defined});
this.element=$(B.element);this.document=this.element.getDocument();this.setOptions(B.options||{});var A=$type(this.options.handle);this.handles=(A=="array"||A=="collection")?$$(this.options.handle):$(this.options.handle)||this.element;
this.mouse={now:{},pos:{}};this.value={start:{},now:{}};this.selection=(Browser.Engine.trident)?"selectstart":"mousedown";this.bound={start:this.start.bind(this),check:this.check.bind(this),drag:this.drag.bind(this),stop:this.stop.bind(this),cancel:this.cancel.bind(this),eventStop:$lambda(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(C){if(this.options.preventDefault){C.preventDefault();}this.fireEvent("beforeStart",this.element);this.mouse.start=C.page;
var A=this.options.limit;this.limit={x:[],y:[]};for(var D in this.options.modifiers){if(!this.options.modifiers[D]){continue;}if(this.options.style){this.value.now[D]=this.element.getStyle(this.options.modifiers[D]).toInt();
}else{this.value.now[D]=this.element[this.options.modifiers[D]];}if(this.options.invert){this.value.now[D]*=-1;}this.mouse.pos[D]=C.page[D]-this.value.now[D];
if(A&&A[D]){for(var B=2;B--;B){if($chk(A[D][B])){this.limit[D][B]=$lambda(A[D][B])();}}}}if($type(this.options.grid)=="number"){this.options.grid={x:this.options.grid,y:this.options.grid};
}this.document.addEvents({mousemove:this.bound.check,mouseup:this.bound.cancel});this.document.addEvent(this.selection,this.bound.eventStop);},check:function(A){if(this.options.preventDefault){A.preventDefault();
}var B=Math.round(Math.sqrt(Math.pow(A.page.x-this.mouse.start.x,2)+Math.pow(A.page.y-this.mouse.start.y,2)));if(B>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});
this.fireEvent("start",this.element).fireEvent("snap",this.element);}},drag:function(A){if(this.options.preventDefault){A.preventDefault();}this.mouse.now=A.page;
for(var B in this.options.modifiers){if(!this.options.modifiers[B]){continue;}this.value.now[B]=this.mouse.now[B]-this.mouse.pos[B];if(this.options.invert){this.value.now[B]*=-1;
}if(this.options.limit&&this.limit[B]){if($chk(this.limit[B][1])&&(this.value.now[B]>this.limit[B][1])){this.value.now[B]=this.limit[B][1];}else{if($chk(this.limit[B][0])&&(this.value.now[B]<this.limit[B][0])){this.value.now[B]=this.limit[B][0];
}}}if(this.options.grid[B]){this.value.now[B]-=(this.value.now[B]%this.options.grid[B]);}if(this.options.style){this.element.setStyle(this.options.modifiers[B],this.value.now[B]+this.options.unit);
}else{this.element[this.options.modifiers[B]]=this.value.now[B];}}this.fireEvent("drag",this.element);},cancel:function(A){this.document.removeEvent("mousemove",this.bound.check);
this.document.removeEvent("mouseup",this.bound.cancel);if(A){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent("cancel",this.element);
}},stop:function(A){this.document.removeEvent(this.selection,this.bound.eventStop);this.document.removeEvent("mousemove",this.bound.drag);this.document.removeEvent("mouseup",this.bound.stop);
if(A){this.fireEvent("complete",this.element);}}});Element.implement({makeResizable:function(A){return new Drag(this,$merge({modifiers:{x:"width",y:"height"}},A));
}});var SmoothScroll=new Class({Extends:Fx.Scroll,initialize:function(B,C){C=C||document;var E=C.getDocument(),D=C.getWindow();this.parent(E,B);this.links=(this.options.links)?$$(this.options.links):$$(E.links);
var A=D.location.href.match(/^[^#]*/)[0]+"#";this.links.each(function(G){if(G.href.indexOf(A)!=0){return ;}var F=G.href.substr(A.length);if(F&&$(F)){this.useLink(G,F);
}},this);if(!Browser.Engine.webkit419){this.addEvent("complete",function(){D.location.hash=this.anchor;},true);}},useLink:function(B,A){B.addEvent("click",function(C){this.anchor=A;
this.toElement(A);C.stop();}.bind(this));}});var Slider=new Class({Implements:[Events,Options],options:{onTick:function(A){if(this.options.snap){A=this.toPosition(this.step);
}this.knob.setStyle(this.property,A);},snap:false,offset:0,range:false,wheel:false,steps:100,mode:"horizontal"},initialize:function(E,A,D){this.setOptions(D);
this.element=$(E);this.knob=$(A);this.previousChange=this.previousEnd=this.step=-1;this.element.addEvent("mousedown",this.clickedElement.bind(this));if(this.options.wheel){this.element.addEvent("mousewheel",this.scrolledElement.bindWithEvent(this));
}var F,B={},C={x:false,y:false};switch(this.options.mode){case"vertical":this.axis="y";this.property="top";F="offsetHeight";break;case"horizontal":this.axis="x";
this.property="left";F="offsetWidth";}this.half=this.knob[F]/2;this.full=this.element[F]-this.knob[F]+(this.options.offset*2);this.min=$chk(this.options.range[0])?this.options.range[0]:0;
this.max=$chk(this.options.range[1])?this.options.range[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);this.knob.setStyle("position","relative").setStyle(this.property,-this.options.offset);C[this.axis]=this.property;
B[this.axis]=[-this.options.offset,this.full-this.options.offset];this.drag=new Drag(this.knob,{snap:0,limit:B,modifiers:C,onDrag:this.draggedKnob.bind(this),onStart:this.draggedKnob.bind(this),onComplete:function(){this.draggedKnob();
this.end();}.bind(this)});if(this.options.snap){this.drag.options.grid=Math.ceil(this.stepWidth);this.drag.options.limit[this.axis][1]=this.full;}},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);this.checkStep();this.end();this.fireEvent("tick",this.toPosition(this.step));return this;
},clickedElement:function(C){var B=this.range<0?-1:1;var 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();this.end();this.fireEvent("tick",A);},scrolledElement:function(A){var B=(this.options.mode=="horizontal")?(A.wheel<0):(A.wheel>0);
this.set(B?this.step-this.stepSize:this.step+this.stepSize);A.stop();},draggedKnob:function(){var B=this.range<0?-1:1;var 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(){if(this.previousChange!=this.step){this.previousChange=this.step;
this.fireEvent("change",this.step);}},end:function(){if(this.previousEnd!==this.step){this.previousEnd=this.step;this.fireEvent("complete",this.step+"");
}},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 Scroller=new Class({Implements:[Events,Options],options:{area:20,velocity:1,onChange:function(A,B){this.element.scrollTo(A,B);}},initialize:function(B,A){this.setOptions(A);
this.element=$(B);this.listener=($type(this.element)!="element")?$(this.element.getDocument().body):this.element;this.timer=null;this.coord=this.getCoords.bind(this);
},start:function(){this.listener.addEvent("mousemove",this.coord);},stop:function(){this.listener.removeEvent("mousemove",this.coord);this.timer=$clear(this.timer);
},getCoords:function(A){this.page=(this.listener.get("tag")=="body")?A.client:A.page;if(!this.timer){this.timer=this.scroll.periodical(25,this);}},scroll:function(){
    var size = this.element.getSize(), scroll = this.element.getScroll(), pos = this.element.getOffsets(), scrollSize = this.element.getScrollSize(), change = {'x': 0, 'y': 0};
    for (var z in this.page){
      if (this.page[z] < (this.options.area + pos[z]) && scroll[z] != 0)
        change[z] = (this.page[z] - this.options.area - pos[z]) * this.options.velocity;
      else if (this.page[z] + this.options.area > (size[z] + pos[z]) && scroll[z] + size[z] != scrollSize[z])
        change[z] = (this.page[z] - size[z] + this.options.area - pos[z]) * this.options.velocity;
    }
    if (change.y || change.x) this.fireEvent('change', [scroll.x + change.x, scroll.y + change.y]);
  }});