//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.

MooTools.More={'version':'1.2.3.1'};Class.Mutators.Binds=function(binds){return binds;};Class.Mutators.initialize=function(initialize){return function(){$splat(this.Binds).each(function(name){var original=this[name];if(original)this[name]=original.bind(this);},this);return initialize.apply(this,arguments);};};Fx.Slide=new Class({Extends:Fx,options:{mode:'vertical'},initialize:function(element,options){this.addEvent('complete',function(){this.open=(this.wrapper['offset'+this.layout.capitalize()]!=0);if(this.open&&Browser.Engine.webkit419)this.element.dispose().inject(this.wrapper);},true);this.element=this.subject=document.id(element);this.parent(options);var wrapper=this.element.retrieve('wrapper');this.wrapper=wrapper||new Element('div',{styles:$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(now){this.element.setStyle(this.margin,now[0]);this.wrapper.setStyle(this.layout,now[1]);return this;},compute:function(from,to,delta){return[0,1].map(function(i){return Fx.compute(from[i],to[i],delta);});},start:function(how,mode){if(!this.check(how,mode))return this;this[mode||this.options.mode]();var margin=this.element.getStyle(this.margin).toInt();var layout=this.wrapper.getStyle(this.layout).toInt();var caseIn=[[margin,layout],[0,this.offset]];var caseOut=[[margin,layout],[-this.offset,0]];var start;switch(how){case'in':start=caseIn;break;case'out':start=caseOut;break;case'toggle':start=(layout==0)?caseIn:caseOut;}
return this.parent(start[0],start[1]);},slideIn:function(mode){return this.start('in',mode);},slideOut:function(mode){return this.start('out',mode);},hide:function(mode){this[mode||this.options.mode]();this.open=false;return this.set([-this.offset,0]);},show:function(mode){this[mode||this.options.mode]();this.open=true;return this.set([0,this.offset]);},toggle:function(mode){return this.start('toggle',mode);}});Element.Properties.slide={set:function(options){var slide=this.retrieve('slide');if(slide)slide.cancel();return this.eliminate('slide').store('slide:options',$extend({link:'cancel'},options));},get:function(options){if(options||!this.retrieve('slide')){if(options||!this.retrieve('slide:options'))this.set('slide',options);this.store('slide',new Fx.Slide(this,this.retrieve('slide:options')));}
return this.retrieve('slide');}};Element.implement({slide:function(how,mode){how=how||'toggle';var slide=this.get('slide'),toggle;switch(how){case'hide':slide.hide(mode);break;case'show':slide.show(mode);break;case'toggle':var flag=this.retrieve('slide:flag',slide.open);slide[flag?'slideOut':'slideIn'](mode);this.store('slide:flag',!flag);toggle=true;break;default:slide.start(how,mode);}
if(!toggle)this.eliminate('slide:flag');return this;}});var Drag=new Class({Implements:[Events,Options],options:{snap:6,unit:'px',grid:false,style:true,limit:false,handle:false,invert:false,preventDefault:false,modifiers:{x:'left',y:'top'}},initialize:function(){var params=Array.link(arguments,{'options':Object.type,'element':$defined});this.element=document.id(params.element);this.document=this.element.getDocument();this.setOptions(params.options||{});var htype=$type(this.options.handle);this.handles=((htype=='array'||htype=='collection')?$$(this.options.handle):document.id(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(event){if(this.options.preventDefault)event.preventDefault();this.mouse.start=event.page;this.fireEvent('beforeStart',this.element);var limit=this.options.limit;this.limit={x:[],y:[]};for(var z in this.options.modifiers){if(!this.options.modifiers[z])continue;if(this.options.style)this.value.now[z]=this.element.getStyle(this.options.modifiers[z]).toInt();else this.value.now[z]=this.element[this.options.modifiers[z]];if(this.options.invert)this.value.now[z]*=-1;this.mouse.pos[z]=event.page[z]-this.value.now[z];if(limit&&limit[z]){for(var i=2;i--;i){if($chk(limit[z][i]))this.limit[z][i]=$lambda(limit[z][i])();}}}
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(event){if(this.options.preventDefault)event.preventDefault();var distance=Math.round(Math.sqrt(Math.pow(event.page.x-this.mouse.start.x,2)+Math.pow(event.page.y-this.mouse.start.y,2)));if(distance>this.options.snap){this.cancel();this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop});this.fireEvent('start',[this.element,event]).fireEvent('snap',this.element);}},drag:function(event){if(this.options.preventDefault)event.preventDefault();this.mouse.now=event.page;for(var z in this.options.modifiers){if(!this.options.modifiers[z])continue;this.value.now[z]=this.mouse.now[z]-this.mouse.pos[z];if(this.options.invert)this.value.now[z]*=-1;if(this.options.limit&&this.limit[z]){if($chk(this.limit[z][1])&&(this.value.now[z]>this.limit[z][1])){this.value.now[z]=this.limit[z][1];}else if($chk(this.limit[z][0])&&(this.value.now[z]<this.limit[z][0])){this.value.now[z]=this.limit[z][0];}}
if(this.options.grid[z])this.value.now[z]-=((this.value.now[z]-(this.limit[z][0]||0))%this.options.grid[z]);if(this.options.style)this.element.setStyle(this.options.modifiers[z],this.value.now[z]+this.options.unit);else this.element[this.options.modifiers[z]]=this.value.now[z];}
this.fireEvent('drag',[this.element,event]);},cancel:function(event){this.document.removeEvent('mousemove',this.bound.check);this.document.removeEvent('mouseup',this.bound.cancel);if(event){this.document.removeEvent(this.selection,this.bound.eventStop);this.fireEvent('cancel',this.element);}},stop:function(event){this.document.removeEvent(this.selection,this.bound.eventStop);this.document.removeEvent('mousemove',this.bound.drag);this.document.removeEvent('mouseup',this.bound.stop);if(event)this.fireEvent('complete',[this.element,event]);}});Element.implement({makeResizable:function(options){var drag=new Drag(this,$merge({modifiers:{x:'width',y:'height'}},options));this.store('resizer',drag);return drag.addEvent('drag',function(){this.fireEvent('resize',drag);}.bind(this));}});Drag.Move=new Class({Extends:Drag,options:{droppables:[],container:false,precalculate:false,includeMargins:true,checkDroppables:true},initialize:function(element,options){this.parent(element,options);this.droppables=$$(this.options.droppables);this.container=document.id(this.options.container);if(this.container&&$type(this.container)!='element')this.container=document.id(this.container.getDocument().body);var position=this.element.getStyle('position');if(position=='static')position='absolute';if([this.element.getStyle('left'),this.element.getStyle('top')].contains('auto'))this.element.position(this.element.getPosition(this.element.offsetParent));this.element.setStyle('position',position);this.addEvent('start',this.checkDroppables,true);this.overed=null;},start:function(event){if(this.container){var ccoo=this.container.getCoordinates(this.element.getOffsetParent()),cbs={},ems={};['top','right','bottom','left'].each(function(pad){cbs[pad]=this.container.getStyle('border-'+pad).toInt();ems[pad]=this.element.getStyle('margin-'+pad).toInt();},this);var width=this.element.offsetWidth+ems.left+ems.right;var height=this.element.offsetHeight+ems.top+ems.bottom;if(this.options.includeMargins){$each(ems,function(value,key){ems[key]=0;});}
if(this.container==this.element.getOffsetParent()){this.options.limit={x:[0-ems.left,ccoo.right-cbs.left-cbs.right-width+ems.right],y:[0-ems.top,ccoo.bottom-cbs.top-cbs.bottom-height+ems.bottom]};}else{this.options.limit={x:[ccoo.left+cbs.left-ems.left,ccoo.right-cbs.right-width+ems.right],y:[ccoo.top+cbs.top-ems.top,ccoo.bottom-cbs.bottom-height+ems.bottom]};}}
if(this.options.precalculate){this.positions=this.droppables.map(function(el){return el.getCoordinates();});}
this.parent(event);},checkAgainst:function(el,i){el=(this.positions)?this.positions[i]:el.getCoordinates();var now=this.mouse.now;return(now.x>el.left&&now.x<el.right&&now.y<el.bottom&&now.y>el.top);},checkDroppables:function(){var overed=this.droppables.filter(this.checkAgainst,this).getLast();if(this.overed!=overed){if(this.overed)this.fireEvent('leave',[this.element,this.overed]);if(overed)this.fireEvent('enter',[this.element,overed]);this.overed=overed;}},drag:function(event){this.parent(event);if(this.options.checkDroppables&&this.droppables.length)this.checkDroppables();},stop:function(event){this.checkDroppables();this.fireEvent('drop',[this.element,this.overed,event]);this.overed=null;return this.parent(event);}});Element.implement({makeDraggable:function(options){var drag=new Drag.Move(this,options);this.store('dragger',drag);return drag;}});var Slider=new Class({Implements:[Events,Options],Binds:['clickedElement','draggedKnob','scrolledElement'],options:{onTick:function(position){if(this.options.snap)position=this.toPosition(this.step);this.knob.setStyle(this.property,position);},snap:false,offset:0,range:false,wheel:false,steps:100,mode:'horizontal'},initialize:function(element,knob,options){this.setOptions(options);this.element=document.id(element);this.knob=document.id(knob);this.previousChange=this.previousEnd=this.step=-1;var offset,limit={},modifiers={'x':false,'y':false};switch(this.options.mode){case'vertical':this.axis='y';this.property='top';offset='offsetHeight';break;case'horizontal':this.axis='x';this.property='left';offset='offsetWidth';}
this.half=this.knob[offset]/2;this.full=this.element[offset]-this.knob[offset]+(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);modifiers[this.axis]=this.property;limit[this.axis]=[-this.options.offset,this.full-this.options.offset];this.bound={clickedElement:this.clickedElement.bind(this),scrolledElement:this.scrolledElement.bindWithEvent(this),draggedKnob:this.draggedKnob.bind(this)};var dragOptions={snap:0,limit:limit,modifiers:modifiers,onDrag:this.bound.draggedKnob,onStart:this.bound.draggedKnob,onBeforeStart:(function(){this.isDragging=true;}).bind(this),onComplete:function(){this.isDragging=false;this.draggedKnob();this.end();}.bind(this)};if(this.options.snap){dragOptions.grid=Math.ceil(this.stepWidth);dragOptions.limit[this.axis][1]=this.full;}
this.drag=new Drag(this.knob,dragOptions);this.attach();},attach:function(){this.element.addEvent('mousedown',this.bound.clickedElement);if(this.options.wheel)this.element.addEvent('mousewheel',this.bound.scrolledElement);this.drag.attach();return this;},detach:function(){this.element.removeEvent('mousedown',this.bound.clickedElement);this.element.removeEvent('mousewheel',this.bound.scrolledElement);this.drag.detach();return this;},set:function(step){if(!((this.range>0)^(step<this.min)))step=this.min;if(!((this.range>0)^(step>this.max)))step=this.max;this.step=Math.round(step);this.checkStep();this.fireEvent('tick',this.toPosition(this.step));this.end();return this;},clickedElement:function(event){if(this.isDragging||event.target==this.knob)return;var dir=this.range<0?-1:1;var position=event.page[this.axis]-this.element.getPosition()[this.axis]-this.half;position=position.limit(-this.options.offset,this.full-this.options.offset);this.step=Math.round(this.min+dir*this.toStep(position));this.checkStep();this.fireEvent('tick',position);this.end();},scrolledElement:function(event){var mode=(this.options.mode=='horizontal')?(event.wheel<0):(event.wheel>0);this.set(mode?this.step-this.stepSize:this.step+this.stepSize);event.stop();},draggedKnob:function(){var dir=this.range<0?-1:1;var position=this.drag.value.now[this.axis];position=position.limit(-this.options.offset,this.full-this.options.offset);this.step=Math.round(this.min+dir*this.toStep(position));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(position){var step=(position+this.options.offset)*this.stepSize/this.full*this.steps;return this.options.steps?Math.round(step-=step%this.stepSize):step;},toPosition:function(step){return(this.full*Math.abs(this.min-step))/(this.steps*this.stepSize)-this.options.offset;}});var Sortables=new Class({Implements:[Events,Options],options:{snap:4,opacity:1,clone:false,revert:false,handle:false,constrain:false},initialize:function(lists,options){this.setOptions(options);this.elements=[];this.lists=[];this.idle=true;this.addLists($$(document.id(lists)||lists));if(!this.options.clone)this.options.revert=false;if(this.options.revert)this.effect=new Fx.Morph(null,$merge({duration:250,link:'cancel'},this.options.revert));},attach:function(){this.addLists(this.lists);return this;},detach:function(){this.lists=this.removeLists(this.lists);return this;},addItems:function(){Array.flatten(arguments).each(function(element){this.elements.push(element);var start=element.retrieve('sortables:start',this.start.bindWithEvent(this,element));(this.options.handle?element.getElement(this.options.handle)||element:element).addEvent('mousedown',start);},this);return this;},addLists:function(){Array.flatten(arguments).each(function(list){this.lists.push(list);this.addItems(list.getChildren());},this);return this;},removeItems:function(){return $$(Array.flatten(arguments).map(function(element){this.elements.erase(element);var start=element.retrieve('sortables:start');(this.options.handle?element.getElement(this.options.handle)||element:element).removeEvent('mousedown',start);return element;},this));},removeLists:function(){return $$(Array.flatten(arguments).map(function(list){this.lists.erase(list);this.removeItems(list.getChildren());return list;},this));},getClone:function(event,element){if(!this.options.clone)return new Element('div').inject(document.body);if($type(this.options.clone)=='function')return this.options.clone.call(this,event,element,this.list);return element.clone(true).setStyles({margin:'0px',position:'absolute',visibility:'hidden','width':element.getStyle('width')}).inject(this.list).position(element.getPosition(element.getOffsetParent()));},getDroppables:function(){var droppables=this.list.getChildren();if(!this.options.constrain)droppables=this.lists.concat(droppables).erase(this.list);return droppables.erase(this.clone).erase(this.element);},insert:function(dragging,element){var where='inside';if(this.lists.contains(element)){this.list=element;this.drag.droppables=this.getDroppables();}else{where=this.element.getAllPrevious().contains(element)?'before':'after';}
this.element.inject(element,where);this.fireEvent('sort',[this.element,this.clone]);},start:function(event,element){if(!this.idle)return;this.idle=false;this.element=element;this.opacity=element.get('opacity');this.list=element.getParent();this.clone=this.getClone(event,element);this.drag=new Drag.Move(this.clone,{snap:this.options.snap,container:this.options.constrain&&this.element.getParent(),droppables:this.getDroppables(),onSnap:function(){event.stop();this.clone.setStyle('visibility','visible');this.element.set('opacity',this.options.opacity||0);this.fireEvent('start',[this.element,this.clone]);}.bind(this),onEnter:this.insert.bind(this),onCancel:this.reset.bind(this),onComplete:this.end.bind(this)});this.clone.inject(this.element,'before');this.drag.start(event);},end:function(){this.drag.detach();this.element.set('opacity',this.opacity);if(this.effect){var dim=this.element.getStyles('width','height');var pos=this.clone.computePosition(this.element.getPosition(this.clone.offsetParent));this.effect.element=this.clone;this.effect.start({top:pos.top,left:pos.left,width:dim.width,height:dim.height,opacity:0.25}).chain(this.reset.bind(this));}else{this.reset();}},reset:function(){this.idle=true;this.clone.destroy();this.fireEvent('complete',this.element);},serialize:function(){var params=Array.link(arguments,{modifier:Function.type,index:$defined});var serial=this.lists.map(function(list){return list.getChildren().map(params.modifier||function(element){return element.get('id');},this);},this);var index=params.index;if(this.lists.length==1)index=0;return $chk(index)&&index>=0&&index<this.lists.length?serial[index]:serial;}});