(function(h,f){"object"===typeof exports?f(exports):"function"===typeof define&&define.amd?define(["exports"],f):f(h)})(this,function(h){function f(a){this._targetElement=a;this._options={nextLabel:"Next →",prevLabel:"← Back",skipLabel:"Skip",doneLabel:"Done",tooltipPosition:"bottom",exitOnEsc:!0,exitOnOverlayClick:!0,showStepNumbers:!0}}function n(){"undefined"!==typeof this._introBeforeChangeCallback&&this._introBeforeChangeCallback.call(this,this._targetElement);"undefined"===typeof this._currentStep?
this._currentStep=0:++this._currentStep;this._introItems.length<=this._currentStep?("function"===typeof this._introCompleteCallback&&this._introCompleteCallback.call(this),m.call(this,this._targetElement)):s.call(this,this._introItems[this._currentStep])}function t(){if(0===this._currentStep)return!1;"undefined"!==typeof this._introBeforeChangeCallback&&this._introBeforeChangeCallback.call(this,this._targetElement);s.call(this,this._introItems[--this._currentStep])}function m(a){var b=a.querySelector(".introjs-overlay");
b.style.opacity=0;setTimeout(function(){b.parentNode&&b.parentNode.removeChild(b)},500);(a=a.querySelector(".introjs-helperLayer"))&&a.parentNode.removeChild(a);if(a=document.querySelector(".introjs-showElement"))a.className=a.className.replace(/introjs-[a-zA-Z]+/g,"").replace(/^\s+|\s+$/g,"");if((a=document.querySelectorAll(".introjs-fixParent"))&&0<a.length)for(var c=a.length-1;0<=c;c--)a[c].className=a[c].className.replace(/introjs-fixParent/g,"").replace(/^\s+|\s+$/g,"");window.removeEventListener?
window.removeEventListener("keydown",this._onKeyDown,!0):document.detachEvent&&document.detachEvent("onkeydown",this._onKeyDown);this._currentStep=void 0}function u(a,b,c){b.style.top=null;b.style.right=null;b.style.bottom=null;b.style.left=null;if(this._introItems[this._currentStep])switch(this._introItems[this._currentStep].position){case "top":b.style.left="15px";b.style.top="-"+(l(b).height+10)+"px";c.className="introjs-arrow bottom";break;case "right":b.style.left=l(a).width+20+"px";c.className=
"introjs-arrow left";break;case "left":b.style.top="15px";b.style.right=l(a).width+20+"px";c.className="introjs-arrow right";break;default:b.style.bottom="-"+(l(b).height+10)+"px",c.className="introjs-arrow top"}}function p(a){if(a&&this._introItems[this._currentStep]){var b=l(this._introItems[this._currentStep].element);a.setAttribute("style","width: "+(b.width+10)+"px; height:"+(b.height+10)+"px; top:"+(b.top-5)+"px;left: "+(b.left-5)+"px;")}}function s(a){var b;"undefined"!==typeof this._introChangeCallback&&
this._introChangeCallback.call(this,a.element);var c=this,d=document.querySelector(".introjs-helperLayer");l(a.element);if(null!=d){var g=d.querySelector(".introjs-helperNumberLayer"),f=d.querySelector(".introjs-tooltiptext"),w=d.querySelector(".introjs-arrow"),q=d.querySelector(".introjs-tooltip"),e=d.querySelector(".introjs-skipbutton");b=d.querySelector(".introjs-prevbutton");var j=d.querySelector(".introjs-nextbutton");q.style.opacity=0;p.call(c,d);if((d=document.querySelectorAll(".introjs-fixParent"))&&
0<d.length)for(var k=d.length-1;0<=k;k--)d[k].className=d[k].className.replace(/introjs-fixParent/g,"").replace(/^\s+|\s+$/g,"");d=document.querySelector(".introjs-showElement");d.className=d.className.replace(/introjs-[a-zA-Z]+/g,"").replace(/^\s+|\s+$/g,"");c._lastShowElementTimer&&clearTimeout(c._lastShowElementTimer);c._lastShowElementTimer=setTimeout(function(){null!=g&&(g.innerHTML=a.step);f.innerHTML=a.intro;u.call(c,a.element,q,w);q.style.opacity=1},350)}else{e=document.createElement("div");
d=document.createElement("div");k=document.createElement("div");e.className="introjs-helperLayer";p.call(c,e);this._targetElement.appendChild(e);d.className="introjs-arrow";k.className="introjs-tooltip";k.innerHTML='<div class="introjs-tooltiptext">'+a.intro+'</div><div class="introjs-tooltipbuttons"></div>';this._options.showStepNumbers&&(b=document.createElement("span"),b.className="introjs-helperNumberLayer",b.innerHTML=a.step,e.appendChild(b));k.appendChild(d);e.appendChild(k);j=document.createElement("a");
j.onclick=function(){c._introItems.length-1!=c._currentStep&&n.call(c)};j.href="javascript:void(0);";j.innerHTML=this._options.nextLabel;b=document.createElement("a");b.onclick=function(){0!=c._currentStep&&t.call(c)};b.href="javascript:void(0);";b.innerHTML=this._options.prevLabel;e=document.createElement("a");e.className="introjs-button introjs-skipbutton";e.href="javascript:void(0);";e.innerHTML=this._options.skipLabel;e.onclick=function(){c._introItems.length-1==c._currentStep&&"function"===typeof c._introCompleteCallback&&
c._introCompleteCallback.call(c);c._introItems.length-1!=c._currentStep&&"function"===typeof c._introExitCallback&&c._introExitCallback.call(c);m.call(c,c._targetElement)};var h=k.querySelector(".introjs-tooltipbuttons");h.appendChild(e);h.appendChild(b);h.appendChild(j);u.call(c,a.element,k,d)}0==this._currentStep?(b.className="introjs-button introjs-prevbutton introjs-disabled",j.className="introjs-button introjs-nextbutton",e.innerHTML=this._options.skipLabel):this._introItems.length-1==this._currentStep?
(e.innerHTML=this._options.doneLabel,b.className="introjs-button introjs-prevbutton",j.className="introjs-button introjs-nextbutton introjs-disabled"):(b.className="introjs-button introjs-prevbutton",j.className="introjs-button introjs-nextbutton",e.innerHTML=this._options.skipLabel);j.focus();a.element.className+=" introjs-showElement";e=v(a.element,"position");"absolute"!==e&&"relative"!==e&&(a.element.className+=" introjs-relativePosition");for(e=a.element.parentNode;null!=e&&"body"!==e.tagName.toLowerCase();)b=
v(e,"z-index"),/[0-9]+/.test(b)&&(e.className+=" introjs-fixParent"),e=e.parentNode;e=a.element.getBoundingClientRect();0<=e.top&&0<=e.left&&e.bottom+80<=window.innerHeight&&e.right<=window.innerWidth||(b=a.element.getBoundingClientRect(),e=b.bottom-(b.bottom-b.top),j=b.bottom,b=void 0!=window.innerWidth?window.innerHeight:document.documentElement.clientHeight,b=j-b,0>e?window.scrollBy(0,e-30):window.scrollBy(0,b+100))}function v(a,b){var c="";a.currentStyle?c=a.currentStyle[b]:document.defaultView&&
document.defaultView.getComputedStyle&&(c=document.defaultView.getComputedStyle(a,null).getPropertyValue(b));return c.toLowerCase?c.toLowerCase():c}function x(a){var b=document.createElement("div"),c="",d=this;b.className="introjs-overlay";if("body"===a.tagName.toLowerCase())c+="top: 0;bottom: 0; left: 0;right: 0;position: fixed;",b.setAttribute("style",c);else{var g=l(a);g&&(c+="width: "+g.width+"px; height:"+g.height+"px; top:"+g.top+"px;left: "+g.left+"px;",b.setAttribute("style",c))}a.appendChild(b);
b.onclick=function(){!0==d._options.exitOnOverlayClick&&m.call(d,a);void 0!=d._introExitCallback&&d._introExitCallback.call(d)};setTimeout(function(){c+="opacity: .8;";b.setAttribute("style",c)},10);return!0}function l(a){var b={};b.width=a.offsetWidth;b.height=a.offsetHeight;for(var c=0,d=0;a&&!isNaN(a.offsetLeft)&&!isNaN(a.offsetTop);)c+=a.offsetLeft,d+=a.offsetTop,a=a.offsetParent;b.top=d;b.left=c;return b}var r=function(a){if("object"===typeof a)return new f(a);if("string"===typeof a){if(a=document.querySelector(a))return new f(a);
throw Error("There is no element with given selector.");}return new f(document.body)};r.version="0.4.0";r.fn=f.prototype={clone:function(){return new f(this)},setOption:function(a,b){this._options[a]=b;return this},setOptions:function(a){var b=this._options,c={},d;for(d in b)c[d]=b[d];for(d in a)c[d]=a[d];this._options=c;return this},start:function(){a:{var a=this._targetElement,b=[],c=this;if(this._options.steps)for(var d=[],g=0,d=this._options.steps.length;g<d;g++){var f=this._options.steps[g];
f.step=g+1;f.element=document.querySelector(f.element);b.push(f)}else{d=a.querySelectorAll("*[data-intro]");if(1>d.length)break a;g=0;for(f=d.length;g<f;g++){var h=d[g];b.push({element:h,intro:h.getAttribute("data-intro"),step:parseInt(h.getAttribute("data-step"),10),position:h.getAttribute("data-position")||this._options.tooltipPosition})}}b.sort(function(a,c){return a.step-c.step});c._introItems=b;x.call(c,a)&&(n.call(c),a.querySelector(".introjs-skipbutton"),a.querySelector(".introjs-nextbutton"),
c._onKeyDown=function(b){if(27===b.keyCode&&!0==c._options.exitOnEsc)m.call(c,a),void 0!=c._introExitCallback&&c._introExitCallback.call(c);else if(37===b.keyCode)t.call(c);else if(39===b.keyCode||13===b.keyCode)n.call(c),b.preventDefault?b.preventDefault():b.returnValue=!1},c._onResize=function(){p.call(c,document.querySelector(".introjs-helperLayer"))},window.addEventListener?(window.addEventListener("keydown",c._onKeyDown,!0),window.addEventListener("resize",c._onResize,!0)):document.attachEvent&&
(document.attachEvent("onkeydown",c._onKeyDown),document.attachEvent("onresize",c._onResize)))}return this},goToStep:function(a){this._currentStep=a-2;"undefined"!==typeof this._introItems&&n.call(this);return this},exit:function(){m.call(this,this._targetElement)},onbeforechange:function(a){if("function"===typeof a)this._introBeforeChangeCallback=a;else throw Error("Provided callback for onbeforechange was not a function");return this},onchange:function(a){if("function"===typeof a)this._introChangeCallback=
a;else throw Error("Provided callback for onchange was not a function.");return this},oncomplete:function(a){if("function"===typeof a)this._introCompleteCallback=a;else throw Error("Provided callback for oncomplete was not a function.");return this},onexit:function(a){if("function"===typeof a)this._introExitCallback=a;else throw Error("Provided callback for onexit was not a function.");return this}};return h.introJs=r});