!function(){"use strict";function s(i,t){var e;if(t=t||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=t.touchBoundary||10,this.layer=i,this.tapDelay=t.tapDelay||200,this.tapTimeout=t.tapTimeout||700,!s.notNeeded(i)){for(var n=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],o=this,r=0,a=n.length;r<a;r++)o[n[r]]=c(o[n[r]],o);u&&(i.addEventListener("mouseover",this.onMouse,!0),i.addEventListener("mousedown",this.onMouse,!0),i.addEventListener("mouseup",this.onMouse,!0)),i.addEventListener("click",this.onClick,!0),i.addEventListener("touchstart",this.onTouchStart,!1),i.addEventListener("touchmove",this.onTouchMove,!1),i.addEventListener("touchend",this.onTouchEnd,!1),i.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(i.removeEventListener=function(t,e,n){var o=Node.prototype.removeEventListener;"click"===t?o.call(i,t,e.hijacked||e,n):o.call(i,t,e,n)},i.addEventListener=function(t,e,n){var o=Node.prototype.addEventListener;"click"===t?o.call(i,t,e.hijacked||(e.hijacked=function(t){t.propagationStopped||e(t)}),n):o.call(i,t,e,n)}),"function"==typeof i.onclick&&(e=i.onclick,i.addEventListener("click",function(t){e(t)},!1),i.onclick=null)}function c(t,e){return function(){return t.apply(e,arguments)}}}var t=0<=navigator.userAgent.indexOf("Windows Phone"),u=0<navigator.userAgent.indexOf("Android")&&!t,c=/iP(ad|hone|od)/.test(navigator.userAgent)&&!t,l=c&&/OS 4_\d(_\d)?/.test(navigator.userAgent),h=c&&/OS [6-7]_\d/.test(navigator.userAgent),i=0<navigator.userAgent.indexOf("BB10");s.prototype.needsClick=function(t){switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(c&&"file"===t.type||t.disabled)return!0;break;case"label":case"iframe":case"video":return!0}return/\bneedsclick\b/.test(t.className)},s.prototype.needsFocus=function(t){switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!u;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},s.prototype.sendClick=function(t,e){var n,o;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),o=e.changedTouches[0],(n=document.createEvent("MouseEvents")).initMouseEvent(this.determineEventType(t),!0,!0,window,1,o.screenX,o.screenY,o.clientX,o.clientY,!1,!1,!1,!1,0,null),n.forwardedTouchEvent=!0,t.dispatchEvent(n)},s.prototype.determineEventType=function(t){return u&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},s.prototype.focus=function(t){var e;c&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type&&"month"!==t.type&&"email"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},s.prototype.updateScrollParent=function(t){var e,n;if(!(e=t.fastClickScrollParent)||!e.contains(t)){n=t;do{if(n.scrollHeight>n.offsetHeight){e=n,t.fastClickScrollParent=n;break}n=n.parentElement}while(n)}e&&(e.fastClickLastScrollTop=e.scrollTop)},s.prototype.getTargetElementFromEventTarget=function(t){return t.nodeType===Node.TEXT_NODE?t.parentNode:t},s.prototype.onTouchStart=function(t){var e,n,o;if(1<t.targetTouches.length)return!0;if(e=this.getTargetElementFromEventTarget(t.target),n=t.targetTouches[0],c){if((o=window.getSelection()).rangeCount&&!o.isCollapsed)return!0;if(!l){if(n.identifier&&n.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=n.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=n.pageX,this.touchStartY=n.pageY,t.timeStamp-this.lastClickTime<this.tapDelay&&t.preventDefault(),!0},s.prototype.touchHasMoved=function(t){var e=t.changedTouches[0],n=this.touchBoundary;return Math.abs(e.pageX-this.touchStartX)>n||Math.abs(e.pageY-this.touchStartY)>n},s.prototype.onTouchMove=function(t){return this.trackingClick&&(this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0},s.prototype.findControl=function(t){return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},s.prototype.onTouchEnd=function(t){var e,n,o,i,r,a=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTime<this.tapDelay)return this.cancelNextClick=!0;if(t.timeStamp-this.trackingClickStart>this.tapTimeout)return!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,n=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,h&&(r=t.changedTouches[0],(a=document.elementFromPoint(r.pageX-window.pageXOffset,r.pageY-window.pageYOffset)||a).fastClickScrollParent=this.targetElement.fastClickScrollParent),"label"===(o=a.tagName.toLowerCase())){if(e=this.findControl(a)){if(this.focus(a),u)return!1;a=e}}else if(this.needsFocus(a))return 100<t.timeStamp-n||c&&window.top!==window&&"input"===o?this.targetElement=null:(this.focus(a),this.sendClick(a,t),c&&"select"===o||(this.targetElement=null,t.preventDefault())),!1;return!(!c||l||!(i=a.fastClickScrollParent)||i.fastClickLastScrollTop===i.scrollTop)||(this.needsClick(a)||(t.preventDefault(),this.sendClick(a,t)),!1)},s.prototype.onTouchCancel=function(){this.trackingClick=!1,this.targetElement=null},s.prototype.onMouse=function(t){return!this.targetElement||(!!t.forwardedTouchEvent||(!t.cancelable||(!(!this.needsClick(this.targetElement)||this.cancelNextClick)||(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1))))},s.prototype.onClick=function(t){var e;return this.trackingClick?(this.targetElement=null,!(this.trackingClick=!1)):"submit"===t.target.type&&0===t.detail||((e=this.onMouse(t))||(this.targetElement=null),e)},s.prototype.destroy=function(){var t=this.layer;u&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},s.notNeeded=function(t){var e,n,o;if(void 0===window.ontouchstart)return!0;if(n=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!u)return!0;if(e=document.querySelector("meta[name=viewport]")){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(31<n&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}if(i&&10<=(o=navigator.userAgent.match(/Version\/([0-9]*)\.([0-9]*)/))[1]&&3<=o[2]&&(e=document.querySelector("meta[name=viewport]"))){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(document.documentElement.scrollWidth<=window.outerWidth)return!0}return"none"===t.style.msTouchAction||"manipulation"===t.style.touchAction||(!!(27<=+(/Firefox\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]&&(e=document.querySelector("meta[name=viewport]"))&&(-1!==e.content.indexOf("user-scalable=no")||document.documentElement.scrollWidth<=window.outerWidth))||("none"===t.style.touchAction||"manipulation"===t.style.touchAction))},s.attach=function(t,e){return new s(t,e)},"function"==typeof define&&"object"==typeof define.amd&&define.amd?define(function(){return s}):"undefined"!=typeof module&&module.exports?(module.exports=s.attach,module.exports.FastClick=s):window.FastClick=s}();