/*!tether 1.3.3*/(function(root,factory){if(typeof define==='function'&&define.amd){define(factory);}else if(typeof exports==='object'){module.exports=factory(require,exports,module);}else{root.Tether=factory();}}(this,function(require,exports,module){'use strict';var _createClass=(function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if('value'in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor;};})();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError('Cannot call a class as a function');}}
var TetherBase=undefined;if(typeof TetherBase==='undefined'){TetherBase={modules:[]};}
var zeroElement=null;function getActualBoundingClientRect(node){var boundingRect=node.getBoundingClientRect();var rect={};for(var k in boundingRect){rect[k]=boundingRect[k];}
if(node.ownerDocument!==document){var _frameElement=node.ownerDocument.defaultView.frameElement;if(_frameElement){var frameRect=getActualBoundingClientRect(_frameElement);rect.top+=frameRect.top;rect.bottom+=frameRect.top;rect.left+=frameRect.left;rect.right+=frameRect.left;}}
return rect;}
function getScrollParents(el){var computedStyle=getComputedStyle(el)||{};var position=computedStyle.position;var parents=[];if(position==='fixed'){return[el];}
var parent=el;while((parent=parent.parentNode)&&parent&&parent.nodeType===1){var style=undefined;try{style=getComputedStyle(parent);}catch(err){}
if(typeof style==='undefined'||style===null){parents.push(parent);return parents;}
var _style=style;var overflow=_style.overflow;var overflowX=_style.overflowX;var overflowY=_style.overflowY;if(/(auto|scroll)/.test(overflow+overflowY+overflowX)){if(position!=='absolute'||['relative','absolute','fixed'].indexOf(style.position)>=0){parents.push(parent);}}}
parents.push(el.ownerDocument.body);if(el.ownerDocument!==document){parents.push(el.ownerDocument.defaultView);}
return parents;}
var uniqueId=(function(){var id=0;return function(){return++id;};})();var zeroPosCache={};var getOrigin=function getOrigin(){var node=zeroElement;if(!node){node=document.createElement('div');node.setAttribute('data-tether-id',uniqueId());extend(node.style,{top:0,left:0,position:'absolute'});document.body.appendChild(node);zeroElement=node;}
var id=node.getAttribute('data-tether-id');if(typeof zeroPosCache[id]==='undefined'){zeroPosCache[id]=getActualBoundingClientRect(node);defer(function(){delete zeroPosCache[id];});}
return zeroPosCache[id];};function removeUtilElements(){if(zeroElement){document.body.removeChild(zeroElement);}
zeroElement=null;};function getBounds(el){var doc=undefined;if(el===document){doc=document;el=document.documentElement;}else{doc=el.ownerDocument;}
var docEl=doc.documentElement;var box=getActualBoundingClientRect(el);var origin=getOrigin();box.top-=origin.top;box.left-=origin.left;if(typeof box.width==='undefined'){box.width=document.body.scrollWidth-box.left-box.right;}
if(typeof box.height==='undefined'){box.height=document.body.scrollHeight-box.top-box.bottom;}
box.top=box.top-docEl.clientTop;box.left=box.left-docEl.clientLeft;box.right=doc.body.clientWidth-box.width-box.left;box.bottom=doc.body.clientHeight-box.height-box.top;return box;}
function getOffsetParent(el){return el.offsetParent||document.documentElement;}
function getScrollBarSize(){var inner=document.createElement('div');inner.style.width='100%';inner.style.height='200px';var outer=document.createElement('div');extend(outer.style,{position:'absolute',top:0,left:0,pointerEvents:'none',visibility:'hidden',width:'200px',height:'150px',overflow:'hidden'});outer.appendChild(inner);document.body.appendChild(outer);var widthContained=inner.offsetWidth;outer.style.overflow='scroll';var widthScroll=inner.offsetWidth;if(widthContained===widthScroll){widthScroll=outer.clientWidth;}
document.body.removeChild(outer);var width=widthContained-widthScroll;return{width:width,height:width};}
function extend(){var out=arguments.length<=0||arguments[0]===undefined?{}:arguments[0];var args=[];Array.prototype.push.apply(args,arguments);args.slice(1).forEach(function(obj){if(obj){for(var key in obj){if(({}).hasOwnProperty.call(obj,key)){out[key]=obj[key];}}}});return out;}
function removeClass(el,name){if(typeof el.classList!=='undefined'){name.split(' ').forEach(function(cls){if(cls.trim()){el.classList.remove(cls);}});}else{var regex=new RegExp('(^| )'+name.split(' ').join('|')+'( |$)','gi');var className=getClassName(el).replace(regex,' ');setClassName(el,className);}}
function addClass(el,name){if(typeof el.classList!=='undefined'){name.split(' ').forEach(function(cls){if(cls.trim()){el.classList.add(cls);}});}else{removeClass(el,name);var cls=getClassName(el)+(' '+name);setClassName(el,cls);}}
function hasClass(el,name){if(typeof el.classList!=='undefined'){return el.classList.contains(name);}
var className=getClassName(el);return new RegExp('(^| )'+name+'( |$)','gi').test(className);}
function getClassName(el){if(el.className instanceof el.ownerDocument.defaultView.SVGAnimatedString){return el.className.baseVal;}
return el.className;}
function setClassName(el,className){el.setAttribute('class',className);}
function updateClasses(el,add,all){all.forEach(function(cls){if(add.indexOf(cls)===-1&&hasClass(el,cls)){removeClass(el,cls);}});add.forEach(function(cls){if(!hasClass(el,cls)){addClass(el,cls);}});}
var deferred=[];var defer=function defer(fn){deferred.push(fn);};var flush=function flush(){var fn=undefined;while(fn=deferred.pop()){fn();}};var Evented=(function(){function Evented(){_classCallCheck(this,Evented);}
_createClass(Evented,[{key:'on',value:function on(event,handler,ctx){var once=arguments.length<=3||arguments[3]===undefined?false:arguments[3];if(typeof this.bindings==='undefined'){this.bindings={};}
if(typeof this.bindings[event]==='undefined'){this.bindings[event]=[];}
this.bindings[event].push({handler:handler,ctx:ctx,once:once});}},{key:'once',value:function once(event,handler,ctx){this.on(event,handler,ctx,true);}},{key:'off',value:function off(event,handler){if(typeof this.bindings==='undefined'||typeof this.bindings[event]==='undefined'){return;}
if(typeof handler==='undefined'){delete this.bindings[event];}else{var i=0;while(i<this.bindings[event].length){if(this.bindings[event][i].handler===handler){this.bindings[event].splice(i,1);}else{++i;}}}}},{key:'trigger',value:function trigger(event){if(typeof this.bindings!=='undefined'&&this.bindings[event]){var i=0;for(var _len=arguments.length,args=Array(_len>1?_len-1:0),_key=1;_key<_len;_key++){args[_key-1]=arguments[_key];}
while(i<this.bindings[event].length){var _bindings$event$i=this.bindings[event][i];var handler=_bindings$event$i.handler;var ctx=_bindings$event$i.ctx;var once=_bindings$event$i.once;var context=ctx;if(typeof context==='undefined'){context=this;}
handler.apply(context,args);if(once){this.bindings[event].splice(i,1);}else{++i;}}}}}]);return Evented;})();TetherBase.Utils={getActualBoundingClientRect:getActualBoundingClientRect,getScrollParents:getScrollParents,getBounds:getBounds,getOffsetParent:getOffsetParent,extend:extend,addClass:addClass,removeClass:removeClass,hasClass:hasClass,updateClasses:updateClasses,defer:defer,flush:flush,uniqueId:uniqueId,Evented:Evented,getScrollBarSize:getScrollBarSize,removeUtilElements:removeUtilElements};'use strict';var _slicedToArray=(function(){function sliceIterator(arr,i){var _arr=[];var _n=true;var _d=false;var _e=undefined;try{for(var _i=arr[Symbol.iterator](),_s;!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i['return'])_i['return']();}finally{if(_d)throw _e;}}return _arr;}return function(arr,i){if(Array.isArray(arr)){return arr;}else if(Symbol.iterator in Object(arr)){return sliceIterator(arr,i);}else{throw new TypeError('Invalid attempt to destructure non-iterable instance');}};})();var _createClass=(function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if('value'in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor);}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor;};})();var _get=function get(_x6,_x7,_x8){var _again=true;_function:while(_again){var object=_x6,property=_x7,receiver=_x8;_again=false;if(object===null)object=Function.prototype;var desc=Object.getOwnPropertyDescriptor(object,property);if(desc===undefined){var parent=Object.getPrototypeOf(object);if(parent===null){return undefined;}else{_x6=parent;_x7=property;_x8=receiver;_again=true;desc=parent=undefined;continue _function;}}else if('value'in desc){return desc.value;}else{var getter=desc.get;if(getter===undefined){return undefined;}return getter.call(receiver);}}};function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError('Cannot call a class as a function');}}
function _inherits(subClass,superClass){if(typeof superClass!=='function'&&superClass!==null){throw new TypeError('Super expression must either be null or a function, not '+typeof superClass);}subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:false,writable:true,configurable:true}});if(superClass)Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass;}
if(typeof TetherBase==='undefined'){throw new Error('You must include the utils.js file before tether.js');}
var _TetherBase$Utils=TetherBase.Utils;var getScrollParents=_TetherBase$Utils.getScrollParents;var getBounds=_TetherBase$Utils.getBounds;var getOffsetParent=_TetherBase$Utils.getOffsetParent;var extend=_TetherBase$Utils.extend;var addClass=_TetherBase$Utils.addClass;var removeClass=_TetherBase$Utils.removeClass;var updateClasses=_TetherBase$Utils.updateClasses;var defer=_TetherBase$Utils.defer;var flush=_TetherBase$Utils.flush;var getScrollBarSize=_TetherBase$Utils.getScrollBarSize;var removeUtilElements=_TetherBase$Utils.removeUtilElements;function within(a,b){var diff=arguments.length<=2||arguments[2]===undefined?1:arguments[2];return a+diff>=b&&b>=a-diff;}
var transformKey=(function(){if(typeof document==='undefined'){return '';}
var el=document.createElement('div');var transforms=['transform','WebkitTransform','OTransform','MozTransform','msTransform'];for(var i=0;i<transforms.length;++i){var key=transforms[i];if(el.style[key]!==undefined){return key;}}})();var tethers=[];var position=function position(){tethers.forEach(function(tether){tether.position(false);});flush();};function now(){if(typeof performance!=='undefined'&&typeof performance.now!=='undefined'){return performance.now();}
return+new Date();}
(function(){var lastCall=null;var lastDuration=null;var pendingTimeout=null;var tick=function tick(){if(typeof lastDuration!=='undefined'&&lastDuration>16){lastDuration=Math.min(lastDuration-16,250);pendingTimeout=setTimeout(tick,250);return;}
if(typeof lastCall!=='undefined'&&now()-lastCall<10){return;}
if(pendingTimeout!=null){clearTimeout(pendingTimeout);pendingTimeout=null;}
lastCall=now();position();lastDuration=now()-lastCall;};if(typeof window!=='undefined'&&typeof window.addEventListener!=='undefined'){['resize','scroll','touchmove'].forEach(function(event){window.addEventListener(event,tick);});}})();var MIRROR_LR={center:'center',left:'right',right:'left'};var MIRROR_TB={middle:'middle',top:'bottom',bottom:'top'};var OFFSET_MAP={top:0,left:0,middle:'50%',center:'50%',bottom:'100%',right:'100%'};var autoToFixedAttachment=function autoToFixedAttachment(attachment,relativeToAttachment){var left=attachment.left;var top=attachment.top;if(left==='auto'){left=MIRROR_LR[relativeToAttachment.left];}
if(top==='auto'){top=MIRROR_TB[relativeToAttachment.top];}
return{left:left,top:top};};var attachmentToOffset=function attachmentToOffset(attachment){var left=attachment.left;var top=attachment.top;if(typeof OFFSET_MAP[attachment.left]!=='undefined'){left=OFFSET_MAP[attachment.left];}
if(typeof OFFSET_MAP[attachment.top]!=='undefined'){top=OFFSET_MAP[attachment.top];}
return{left:left,top:top};};function addOffset(){var out={top:0,left:0};for(var _len=arguments.length,offsets=Array(_len),_key=0;_key<_len;_key++){offsets[_key]=arguments[_key];}
offsets.forEach(function(_ref){var top=_ref.top;var left=_ref.left;if(typeof top==='string'){top=parseFloat(top,10);}
if(typeof left==='string'){left=parseFloat(left,10);}
out.top+=top;out.left+=left;});return out;}
function offsetToPx(offset,size){if(typeof offset.left==='string'&&offset.left.indexOf('%')!==-1){offset.left=parseFloat(offset.left,10)/100*size.width;}
if(typeof offset.top==='string'&&offset.top.indexOf('%')!==-1){offset.top=parseFloat(offset.top,10)/100*size.height;}
return offset;}
var parseOffset=function parseOffset(value){var _value$split=value.split(' ');var _value$split2=_slicedToArray(_value$split,2);var top=_value$split2[0];var left=_value$split2[1];return{top:top,left:left};};var parseAttachment=parseOffset;var TetherClass=(function(_Evented){_inherits(TetherClass,_Evented);function TetherClass(options){var _this=this;_classCallCheck(this,TetherClass);_get(Object.getPrototypeOf(TetherClass.prototype),'constructor',this).call(this);this.position=this.position.bind(this);tethers.push(this);this.history=[];this.setOptions(options,false);TetherBase.modules.forEach(function(module){if(typeof module.initialize!=='undefined'){module.initialize.call(_this);}});this.position();}
_createClass(TetherClass,[{key:'getClass',value:function getClass(){var key=arguments.length<=0||arguments[0]===undefined?'':arguments[0];var classes=this.options.classes;if(typeof classes!=='undefined'&&classes[key]){return this.options.classes[key];}else if(this.options.classPrefix){return this.options.classPrefix+'-'+key;}else{return key;}}},{key:'setOptions',value:function setOptions(options){var _this2=this;var pos=arguments.length<=1||arguments[1]===undefined?true:arguments[1];var defaults={offset:'0 0',targetOffset:'0 0',targetAttachment:'auto auto',classPrefix:'tether'};this.options=extend(defaults,options);var _options=this.options;var element=_options.element;var target=_options.target;var targetModifier=_options.targetModifier;this.element=element;this.target=target;this.targetModifier=targetModifier;if(this.target==='viewport'){this.target=document.body;this.targetModifier='visible';}else if(this.target==='scroll-handle'){this.target=document.body;this.targetModifier='scroll-handle';}
['element','target'].forEach(function(key){if(typeof _this2[key]==='undefined'){throw new Error('Tether Error: Both element and target must be defined');}
if(typeof _this2[key].jquery!=='undefined'){_this2[key]=_this2[key][0];}else if(typeof _this2[key]==='string'){_this2[key]=document.querySelector(_this2[key]);}});addClass(this.element,this.getClass('element'));if(!(this.options.addTargetClasses===false)){addClass(this.target,this.getClass('target'));}
if(!this.options.attachment){throw new Error('Tether Error: You must provide an attachment');}
this.targetAttachment=parseAttachment(this.options.targetAttachment);this.attachment=parseAttachment(this.options.attachment);this.offset=parseOffset(this.options.offset);this.targetOffset=parseOffset(this.options.targetOffset);if(typeof this.scrollParents!=='undefined'){this.disable();}
if(this.targetModifier==='scroll-handle'){this.scrollParents=[this.target];}else{this.scrollParents=getScrollParents(this.target);}
if(!(this.options.enabled===false)){this.enable(pos);}}},{key:'getTargetBounds',value:function getTargetBounds(){if(typeof this.targetModifier!=='undefined'){if(this.targetModifier==='visible'){if(this.target===document.body){return{top:pageYOffset,left:pageXOffset,height:innerHeight,width:innerWidth};}else{var bounds=getBounds(this.target);var out={height:bounds.height,width:bounds.width,top:bounds.top,left:bounds.left};out.height=Math.min(out.height,bounds.height-(pageYOffset-bounds.top));out.height=Math.min(out.height,bounds.height-(bounds.top+bounds.height-(pageYOffset+innerHeight)));out.height=Math.min(innerHeight,out.height);out.height-=2;out.width=Math.min(out.width,bounds.width-(pageXOffset-bounds.left));out.width=Math.min(out.width,bounds.width-(bounds.left+bounds.width-(pageXOffset+innerWidth)));out.width=Math.min(innerWidth,out.width);out.width-=2;if(out.top<pageYOffset){out.top=pageYOffset;}
if(out.left<pageXOffset){out.left=pageXOffset;}
return out;}}else if(this.targetModifier==='scroll-handle'){var bounds=undefined;var target=this.target;if(target===document.body){target=document.documentElement;bounds={left:pageXOffset,top:pageYOffset,height:innerHeight,width:innerWidth};}else{bounds=getBounds(target);}
var style=getComputedStyle(target);var hasBottomScroll=target.scrollWidth>target.clientWidth||[style.overflow,style.overflowX].indexOf('scroll')>=0||this.target!==document.body;var scrollBottom=0;if(hasBottomScroll){scrollBottom=15;}
var height=bounds.height-parseFloat(style.borderTopWidth)-parseFloat(style.borderBottomWidth)-scrollBottom;var out={width:15,height:height*0.975*(height/target.scrollHeight),left:bounds.left+bounds.width-parseFloat(style.borderLeftWidth)-15};var fitAdj=0;if(height<408&&this.target===document.body){fitAdj=-0.00011*Math.pow(height,2)-0.00727*height+22.58;}
if(this.target!==document.body){out.height=Math.max(out.height,24);}
var scrollPercentage=this.target.scrollTop/(target.scrollHeight-height);out.top=scrollPercentage*(height-out.height-fitAdj)+bounds.top+parseFloat(style.borderTopWidth);if(this.target===document.body){out.height=Math.max(out.height,24);}
return out;}}else{return getBounds(this.target);}}},{key:'clearCache',value:function clearCache(){this._cache={};}},{key:'cache',value:function cache(k,getter){if(typeof this._cache==='undefined'){this._cache={};}
if(typeof this._cache[k]==='undefined'){this._cache[k]=getter.call(this);}
return this._cache[k];}},{key:'enable',value:function enable(){var _this3=this;var pos=arguments.length<=0||arguments[0]===undefined?true:arguments[0];if(!(this.options.addTargetClasses===false)){addClass(this.target,this.getClass('enabled'));}
addClass(this.element,this.getClass('enabled'));this.enabled=true;this.scrollParents.forEach(function(parent){if(parent!==_this3.target.ownerDocument){parent.addEventListener('scroll',_this3.position);}});if(pos){this.position();}}},{key:'disable',value:function disable(){var _this4=this;removeClass(this.target,this.getClass('enabled'));removeClass(this.element,this.getClass('enabled'));this.enabled=false;if(typeof this.scrollParents!=='undefined'){this.scrollParents.forEach(function(parent){parent.removeEventListener('scroll',_this4.position);});}}},{key:'destroy',value:function destroy(){var _this5=this;this.disable();tethers.forEach(function(tether,i){if(tether===_this5){tethers.splice(i,1);}});if(tethers.length===0){removeUtilElements();}}},{key:'updateAttachClasses',value:function updateAttachClasses(elementAttach,targetAttach){var _this6=this;elementAttach=elementAttach||this.attachment;targetAttach=targetAttach||this.targetAttachment;var sides=['left','top','bottom','right','middle','center'];if(typeof this._addAttachClasses!=='undefined'&&this._addAttachClasses.length){this._addAttachClasses.splice(0,this._addAttachClasses.length);}
if(typeof this._addAttachClasses==='undefined'){this._addAttachClasses=[];}
var add=this._addAttachClasses;if(elementAttach.top){add.push(this.getClass('element-attached')+'-'+elementAttach.top);}
if(elementAttach.left){add.push(this.getClass('element-attached')+'-'+elementAttach.left);}
if(targetAttach.top){add.push(this.getClass('target-attached')+'-'+targetAttach.top);}
if(targetAttach.left){add.push(this.getClass('target-attached')+'-'+targetAttach.left);}
var all=[];sides.forEach(function(side){all.push(_this6.getClass('element-attached')+'-'+side);all.push(_this6.getClass('target-attached')+'-'+side);});defer(function(){if(!(typeof _this6._addAttachClasses!=='undefined')){return;}
updateClasses(_this6.element,_this6._addAttachClasses,all);if(!(_this6.options.addTargetClasses===false)){updateClasses(_this6.target,_this6._addAttachClasses,all);}
delete _this6._addAttachClasses;});}},{key:'position',value:function position(){var _this7=this;var flushChanges=arguments.length<=0||arguments[0]===undefined?true:arguments[0];if(!this.enabled){return;}
this.clearCache();var targetAttachment=autoToFixedAttachment(this.targetAttachment,this.attachment);this.updateAttachClasses(this.attachment,targetAttachment);var elementPos=this.cache('element-bounds',function(){return getBounds(_this7.element);});var width=elementPos.width;var height=elementPos.height;if(width===0&&height===0&&typeof this.lastSize!=='undefined'){var _lastSize=this.lastSize;width=_lastSize.width;height=_lastSize.height;}else{this.lastSize={width:width,height:height};}
var targetPos=this.cache('target-bounds',function(){return _this7.getTargetBounds();});var targetSize=targetPos;var offset=offsetToPx(attachmentToOffset(this.attachment),{width:width,height:height});var targetOffset=offsetToPx(attachmentToOffset(targetAttachment),targetSize);var manualOffset=offsetToPx(this.offset,{width:width,height:height});var manualTargetOffset=offsetToPx(this.targetOffset,targetSize);offset=addOffset(offset,manualOffset);targetOffset=addOffset(targetOffset,manualTargetOffset);var left=targetPos.left+targetOffset.left-offset.left;var top=targetPos.top+targetOffset.top-offset.top;for(var i=0;i<TetherBase.modules.length;++i){var _module2=TetherBase.modules[i];var ret=_module2.position.call(this,{left:left,top:top,targetAttachment:targetAttachment,targetPos:targetPos,elementPos:elementPos,offset:offset,targetOffset:targetOffset,manualOffset:manualOffset,manualTargetOffset:manualTargetOffset,scrollbarSize:scrollbarSize,attachment:this.attachment});if(ret===false){return false;}else if(typeof ret==='undefined'||typeof ret!=='object'){continue;}else{top=ret.top;left=ret.left;}}
var next={page:{top:top,left:left},viewport:{top:top-pageYOffset,bottom:pageYOffset-top-height+innerHeight,left:left-pageXOffset,right:pageXOffset-left-width+innerWidth}};var doc=this.target.ownerDocument;var win=doc.defaultView;var scrollbarSize=undefined;if(doc.body.scrollWidth>win.innerWidth){scrollbarSize=this.cache('scrollbar-size',getScrollBarSize);next.viewport.bottom-=scrollbarSize.height;}
if(doc.body.scrollHeight>win.innerHeight){scrollbarSize=this.cache('scrollbar-size',getScrollBarSize);next.viewport.right-=scrollbarSize.width;}
if(['','static'].indexOf(doc.body.style.position)===-1||['','static'].indexOf(doc.body.parentElement.style.position)===-1){next.page.bottom=doc.body.scrollHeight-top-height;next.page.right=doc.body.scrollWidth-left-width;}
if(typeof this.options.optimizations!=='undefined'&&this.options.optimizations.moveElement!==false&&!(typeof this.targetModifier!=='undefined')){(function(){var offsetParent=_this7.cache('target-offsetparent',function(){return getOffsetParent(_this7.target);});var offsetPosition=_this7.cache('target-offsetparent-bounds',function(){return getBounds(offsetParent);});var offsetParentStyle=getComputedStyle(offsetParent);var offsetParentSize=offsetPosition;var offsetBorder={};['Top','Left','Bottom','Right'].forEach(function(side){offsetBorder[side.toLowerCase()]=parseFloat(offsetParentStyle['border'+side+'Width']);});offsetPosition.right=doc.body.scrollWidth-offsetPosition.left-offsetParentSize.width+offsetBorder.right;offsetPosition.bottom=doc.body.scrollHeight-offsetPosition.top-offsetParentSize.height+offsetBorder.bottom;if(next.page.top>=offsetPosition.top+offsetBorder.top&&next.page.bottom>=offsetPosition.bottom){if(next.page.left>=offsetPosition.left+offsetBorder.left&&next.page.right>=offsetPosition.right){var scrollTop=offsetParent.scrollTop;var scrollLeft=offsetParent.scrollLeft;next.offset={top:next.page.top-offsetPosition.top+scrollTop-offsetBorder.top,left:next.page.left-offsetPosition.left+scrollLeft-offsetBorder.left};}}})();}
this.move(next);this.history.unshift(next);if(this.history.length>3){this.history.pop();}
if(flushChanges){flush();}
return true;}},{key:'move',value:function move(pos){var _this8=this;if(!(typeof this.element.parentNode!=='undefined')){return;}
var same={};for(var type in pos){same[type]={};for(var key in pos[type]){var found=false;for(var i=0;i<this.history.length;++i){var point=this.history[i];if(typeof point[type]!=='undefined'&&!within(point[type][key],pos[type][key])){found=true;break;}}
if(!found){same[type][key]=true;}}}
var css={top:'',left:'',right:'',bottom:''};var transcribe=function transcribe(_same,_pos){var hasOptimizations=typeof _this8.options.optimizations!=='undefined';var gpu=hasOptimizations?_this8.options.optimizations.gpu:null;if(gpu!==false){var yPos=undefined,xPos=undefined;if(_same.top){css.top=0;yPos=_pos.top;}else{css.bottom=0;yPos=-_pos.bottom;}
if(_same.left){css.left=0;xPos=_pos.left;}else{css.right=0;xPos=-_pos.right;}
css[transformKey]='translateX('+Math.round(xPos)+'px) translateY('+Math.round(yPos)+'px)';if(transformKey!=='msTransform'){css[transformKey]+=" translateZ(0)";}}else{if(_same.top){css.top=_pos.top+'px';}else{css.bottom=_pos.bottom+'px';}
if(_same.left){css.left=_pos.left+'px';}else{css.right=_pos.right+'px';}}};var moved=false;if((same.page.top||same.page.bottom)&&(same.page.left||same.page.right)){css.position='absolute';transcribe(same.page,pos.page);}else if((same.viewport.top||same.viewport.bottom)&&(same.viewport.left||same.viewport.right)){css.position='fixed';transcribe(same.viewport,pos.viewport);}else if(typeof same.offset!=='undefined'&&same.offset.top&&same.offset.left){(function(){css.position='absolute';var offsetParent=_this8.cache('target-offsetparent',function(){return getOffsetParent(_this8.target);});if(getOffsetParent(_this8.element)!==offsetParent){defer(function(){_this8.element.parentNode.removeChild(_this8.element);offsetParent.appendChild(_this8.element);});}
transcribe(same.offset,pos.offset);moved=true;})();}else{css.position='absolute';transcribe({top:true,left:true},pos.page);}
if(!moved){var offsetParentIsBody=true;var currentNode=this.element.parentNode;while(currentNode&&currentNode.nodeType===1&&currentNode.tagName!=='BODY'){if(getComputedStyle(currentNode).position!=='static'){offsetParentIsBody=false;break;}
currentNode=currentNode.parentNode;}
if(!offsetParentIsBody){this.element.parentNode.removeChild(this.element);this.element.ownerDocument.body.appendChild(this.element);}}
var writeCSS={};var write=false;for(var key in css){var val=css[key];var elVal=this.element.style[key];if(elVal!==val){write=true;writeCSS[key]=val;}}
if(write){defer(function(){extend(_this8.element.style,writeCSS);});}}}]);return TetherClass;})(Evented);TetherClass.modules=[];TetherBase.position=position;var Tether=extend(TetherClass,TetherBase);'use strict';var _slicedToArray=(function(){function sliceIterator(arr,i){var _arr=[];var _n=true;var _d=false;var _e=undefined;try{for(var _i=arr[Symbol.iterator](),_s;!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i['return'])_i['return']();}finally{if(_d)throw _e;}}return _arr;}return function(arr,i){if(Array.isArray(arr)){return arr;}else if(Symbol.iterator in Object(arr)){return sliceIterator(arr,i);}else{throw new TypeError('Invalid attempt to destructure non-iterable instance');}};})();var _TetherBase$Utils=TetherBase.Utils;var getBounds=_TetherBase$Utils.getBounds;var extend=_TetherBase$Utils.extend;var updateClasses=_TetherBase$Utils.updateClasses;var defer=_TetherBase$Utils.defer;var BOUNDS_FORMAT=['left','top','right','bottom'];function getBoundingRect(tether,to){if(to==='scrollParent'){to=tether.scrollParents[0];}else if(to==='window'){to=[pageXOffset,pageYOffset,innerWidth+pageXOffset,innerHeight+pageYOffset];}
if(to===document){to=to.documentElement;}
if(typeof to.nodeType!=='undefined'){(function(){var node=to;var size=getBounds(to);var pos=size;var style=getComputedStyle(to);to=[pos.left,pos.top,size.width+pos.left,size.height+pos.top];if(node.ownerDocument!==document){var win=node.ownerDocument.defaultView;to[0]+=win.pageXOffset;to[1]+=win.pageYOffset;to[2]+=win.pageXOffset;to[3]+=win.pageYOffset;}
BOUNDS_FORMAT.forEach(function(side,i){side=side[0].toUpperCase()+side.substr(1);if(side==='Top'||side==='Left'){to[i]+=parseFloat(style['border'+side+'Width']);}else{to[i]-=parseFloat(style['border'+side+'Width']);}});})();}
return to;}
TetherBase.modules.push({position:function position(_ref){var _this=this;var top=_ref.top;var left=_ref.left;var targetAttachment=_ref.targetAttachment;if(!this.options.constraints){return true;}
var _cache=this.cache('element-bounds',function(){return getBounds(_this.element);});var height=_cache.height;var width=_cache.width;if(width===0&&height===0&&typeof this.lastSize!=='undefined'){var _lastSize=this.lastSize;width=_lastSize.width;height=_lastSize.height;}
var targetSize=this.cache('target-bounds',function(){return _this.getTargetBounds();});var targetHeight=targetSize.height;var targetWidth=targetSize.width;var allClasses=[this.getClass('pinned'),this.getClass('out-of-bounds')];this.options.constraints.forEach(function(constraint){var outOfBoundsClass=constraint.outOfBoundsClass;var pinnedClass=constraint.pinnedClass;if(outOfBoundsClass){allClasses.push(outOfBoundsClass);}
if(pinnedClass){allClasses.push(pinnedClass);}});allClasses.forEach(function(cls){['left','top','right','bottom'].forEach(function(side){allClasses.push(cls+'-'+side);});});var addClasses=[];var tAttachment=extend({},targetAttachment);var eAttachment=extend({},this.attachment);this.options.constraints.forEach(function(constraint){var to=constraint.to;var attachment=constraint.attachment;var pin=constraint.pin;if(typeof attachment==='undefined'){attachment='';}
var changeAttachX=undefined,changeAttachY=undefined;if(attachment.indexOf(' ')>=0){var _attachment$split=attachment.split(' ');var _attachment$split2=_slicedToArray(_attachment$split,2);changeAttachY=_attachment$split2[0];changeAttachX=_attachment$split2[1];}else{changeAttachX=changeAttachY=attachment;}
var bounds=getBoundingRect(_this,to);if(changeAttachY==='target'||changeAttachY==='both'){if(top<bounds[1]&&tAttachment.top==='top'){top+=targetHeight;tAttachment.top='bottom';}
if(top+height>bounds[3]&&tAttachment.top==='bottom'){top-=targetHeight;tAttachment.top='top';}}
if(changeAttachY==='together'){if(tAttachment.top==='top'){if(eAttachment.top==='bottom'&&top<bounds[1]){top+=targetHeight;tAttachment.top='bottom';top+=height;eAttachment.top='top';}else if(eAttachment.top==='top'&&top+height>bounds[3]&&top-(height-targetHeight)>=bounds[1]){top-=height-targetHeight;tAttachment.top='bottom';eAttachment.top='bottom';}}
if(tAttachment.top==='bottom'){if(eAttachment.top==='top'&&top+height>bounds[3]){top-=targetHeight;tAttachment.top='top';top-=height;eAttachment.top='bottom';}else if(eAttachment.top==='bottom'&&top<bounds[1]&&top+(height*2-targetHeight)<=bounds[3]){top+=height-targetHeight;tAttachment.top='top';eAttachment.top='top';}}
if(tAttachment.top==='middle'){if(top+height>bounds[3]&&eAttachment.top==='top'){top-=height;eAttachment.top='bottom';}else if(top<bounds[1]&&eAttachment.top==='bottom'){top+=height;eAttachment.top='top';}}}
if(changeAttachX==='target'||changeAttachX==='both'){if(left<bounds[0]&&tAttachment.left==='left'){left+=targetWidth;tAttachment.left='right';}
if(left+width>bounds[2]&&tAttachment.left==='right'){left-=targetWidth;tAttachment.left='left';}}
if(changeAttachX==='together'){if(left<bounds[0]&&tAttachment.left==='left'){if(eAttachment.left==='right'){left+=targetWidth;tAttachment.left='right';left+=width;eAttachment.left='left';}else if(eAttachment.left==='left'){left+=targetWidth;tAttachment.left='right';left-=width;eAttachment.left='right';}}else if(left+width>bounds[2]&&tAttachment.left==='right'){if(eAttachment.left==='left'){left-=targetWidth;tAttachment.left='left';left-=width;eAttachment.left='right';}else if(eAttachment.left==='right'){left-=targetWidth;tAttachment.left='left';left+=width;eAttachment.left='left';}}else if(tAttachment.left==='center'){if(left+width>bounds[2]&&eAttachment.left==='left'){left-=width;eAttachment.left='right';}else if(left<bounds[0]&&eAttachment.left==='right'){left+=width;eAttachment.left='left';}}}
if(changeAttachY==='element'||changeAttachY==='both'){if(top<bounds[1]&&eAttachment.top==='bottom'){top+=height;eAttachment.top='top';}
if(top+height>bounds[3]&&eAttachment.top==='top'){top-=height;eAttachment.top='bottom';}}
if(changeAttachX==='element'||changeAttachX==='both'){if(left<bounds[0]){if(eAttachment.left==='right'){left+=width;eAttachment.left='left';}else if(eAttachment.left==='center'){left+=width/2;eAttachment.left='left';}}
if(left+width>bounds[2]){if(eAttachment.left==='left'){left-=width;eAttachment.left='right';}else if(eAttachment.left==='center'){left-=width/2;eAttachment.left='right';}}}
if(typeof pin==='string'){pin=pin.split(',').map(function(p){return p.trim();});}else if(pin===true){pin=['top','left','right','bottom'];}
pin=pin||[];var pinned=[];var oob=[];if(top<bounds[1]){if(pin.indexOf('top')>=0){top=bounds[1];pinned.push('top');}else{oob.push('top');}}
if(top+height>bounds[3]){if(pin.indexOf('bottom')>=0){top=bounds[3]-height;pinned.push('bottom');}else{oob.push('bottom');}}
if(left<bounds[0]){if(pin.indexOf('left')>=0){left=bounds[0];pinned.push('left');}else{oob.push('left');}}
if(left+width>bounds[2]){if(pin.indexOf('right')>=0){left=bounds[2]-width;pinned.push('right');}else{oob.push('right');}}
if(pinned.length){(function(){var pinnedClass=undefined;if(typeof _this.options.pinnedClass!=='undefined'){pinnedClass=_this.options.pinnedClass;}else{pinnedClass=_this.getClass('pinned');}
addClasses.push(pinnedClass);pinned.forEach(function(side){addClasses.push(pinnedClass+'-'+side);});})();}
if(oob.length){(function(){var oobClass=undefined;if(typeof _this.options.outOfBoundsClass!=='undefined'){oobClass=_this.options.outOfBoundsClass;}else{oobClass=_this.getClass('out-of-bounds');}
addClasses.push(oobClass);oob.forEach(function(side){addClasses.push(oobClass+'-'+side);});})();}
if(pinned.indexOf('left')>=0||pinned.indexOf('right')>=0){eAttachment.left=tAttachment.left=false;}
if(pinned.indexOf('top')>=0||pinned.indexOf('bottom')>=0){eAttachment.top=tAttachment.top=false;}
if(tAttachment.top!==targetAttachment.top||tAttachment.left!==targetAttachment.left||eAttachment.top!==_this.attachment.top||eAttachment.left!==_this.attachment.left){_this.updateAttachClasses(eAttachment,tAttachment);_this.trigger('update',{attachment:eAttachment,targetAttachment:tAttachment});}});defer(function(){if(!(_this.options.addTargetClasses===false)){updateClasses(_this.target,addClasses,allClasses);}
updateClasses(_this.element,addClasses,allClasses);});return{top:top,left:left};}});'use strict';var _TetherBase$Utils=TetherBase.Utils;var getBounds=_TetherBase$Utils.getBounds;var updateClasses=_TetherBase$Utils.updateClasses;var defer=_TetherBase$Utils.defer;TetherBase.modules.push({position:function position(_ref){var _this=this;var top=_ref.top;var left=_ref.left;var _cache=this.cache('element-bounds',function(){return getBounds(_this.element);});var height=_cache.height;var width=_cache.width;var targetPos=this.getTargetBounds();var bottom=top+height;var right=left+width;var abutted=[];if(top<=targetPos.bottom&&bottom>=targetPos.top){['left','right'].forEach(function(side){var targetPosSide=targetPos[side];if(targetPosSide===left||targetPosSide===right){abutted.push(side);}});}
if(left<=targetPos.right&&right>=targetPos.left){['top','bottom'].forEach(function(side){var targetPosSide=targetPos[side];if(targetPosSide===top||targetPosSide===bottom){abutted.push(side);}});}
var allClasses=[];var addClasses=[];var sides=['left','top','right','bottom'];allClasses.push(this.getClass('abutted'));sides.forEach(function(side){allClasses.push(_this.getClass('abutted')+'-'+side);});if(abutted.length){addClasses.push(this.getClass('abutted'));}
abutted.forEach(function(side){addClasses.push(_this.getClass('abutted')+'-'+side);});defer(function(){if(!(_this.options.addTargetClasses===false)){updateClasses(_this.target,addClasses,allClasses);}
updateClasses(_this.element,addClasses,allClasses);});return true;}});'use strict';var _slicedToArray=(function(){function sliceIterator(arr,i){var _arr=[];var _n=true;var _d=false;var _e=undefined;try{for(var _i=arr[Symbol.iterator](),_s;!(_n=(_s=_i.next()).done);_n=true){_arr.push(_s.value);if(i&&_arr.length===i)break;}}catch(err){_d=true;_e=err;}finally{try{if(!_n&&_i['return'])_i['return']();}finally{if(_d)throw _e;}}return _arr;}return function(arr,i){if(Array.isArray(arr)){return arr;}else if(Symbol.iterator in Object(arr)){return sliceIterator(arr,i);}else{throw new TypeError('Invalid attempt to destructure non-iterable instance');}};})();TetherBase.modules.push({position:function position(_ref){var top=_ref.top;var left=_ref.left;if(!this.options.shift){return;}
var shift=this.options.shift;if(typeof this.options.shift==='function'){shift=this.options.shift.call(this,{top:top,left:left});}
var shiftTop=undefined,shiftLeft=undefined;if(typeof shift==='string'){shift=shift.split(' ');shift[1]=shift[1]||shift[0];var _shift=shift;var _shift2=_slicedToArray(_shift,2);shiftTop=_shift2[0];shiftLeft=_shift2[1];shiftTop=parseFloat(shiftTop,10);shiftLeft=parseFloat(shiftLeft,10);}else{shiftTop=shift.top;shiftLeft=shift.left;}
top+=shiftTop;left+=shiftLeft;return{top:top,left:left};}});return Tether;}));