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'O' : '',\r\n\r\n    // Browser capabilities\r\n    isAndroid = (/android/gi).test(navigator.appVersion),\r\n    isIDevice = (/iphone|ipad/gi).test(navigator.appVersion),\r\n    isPlaybook = (/playbook/gi).test(navigator.appVersion),\r\n    isTouchPad = (/hp-tablet/gi).test(navigator.appVersion),\r\n\r\n    has3d = 'WebKitCSSMatrix' in window && 'm11' in new WebKitCSSMatrix(),\r\n    hasTouch = 'ontouchstart' in window && !isTouchPad,\r\n    hasTransform = vendor + 'Transform' in document.documentElement.style,\r\n    hasTransitionEnd = isIDevice || isPlaybook,\r\n\r\n\tnextFrame = (function () {\r\n\t    return window.requestAnimationFrame\r\n\t\t\t|| window.webkitRequestAnimationFrame\r\n\t\t\t|| window.mozRequestAnimationFrame\r\n\t\t\t|| window.oRequestAnimationFrame\r\n\t\t\t|| window.msRequestAnimationFrame\r\n\t\t\t|| function (callback) { return setTimeout(callback, 17); }\r\n\t})(),\r\n\tcancelFrame = (function () {\r\n\t    return window.cancelRequestAnimationFrame\r\n\t\t\t|| window.webkitCancelAnimationFrame\r\n\t\t\t|| window.webkitCancelRequestAnimationFrame\r\n\t\t\t|| window.mozCancelRequestAnimationFrame\r\n\t\t\t|| window.oCancelRequestAnimationFrame\r\n\t\t\t|| window.msCancelRequestAnimationFrame\r\n\t\t\t|| clearTimeout\r\n\t})(),\r\n\r\n    // Events\r\n\tRESIZE_EV = 'onorientationchange' in window ? 'orientationchange' : 'resize',\r\n\tSTART_EV = hasTouch ? 'touchstart' : 'mousedown',\r\n\tMOVE_EV = hasTouch ? 'touchmove' : 'mousemove',\r\n\tEND_EV = hasTouch ? 'touchend' : 'mouseup',\r\n\tCANCEL_EV = hasTouch ? 'touchcancel' : 'mouseup',\r\n\r\n    // Helpers\r\n\ttrnOpen = 'translate' + (has3d ? '3d(' : '('),\r\n\ttrnClose = has3d ? ',0)' : ')',\r\n\r\n    // Constructor\r\n\tiScroll = function (el, options) {\r\n\t    var that = this,\r\n\t\t\tdoc = document,\r\n\t\t\ti;\r\n\r\n\t    that.wrapper = typeof el == 'object' ? el : doc.getElementById(el);\r\n\t    that.wrapper.style.overflow = 'hidden';\r\n\t    that.scroller = that.wrapper.children[0];\r\n\r\n\t    // Default options\r\n\t    that.options = {\r\n\t        hScroll: true,\r\n\t        vScroll: true,\r\n\t        x: 0,\r\n\t        y: 0,\r\n\t        bounce: true,\r\n\t        bounceLock: false,\r\n\t        momentum: true,\r\n\t        lockDirection: true,\r\n\t        useTransform: true,\r\n\t        useTransition: false,\r\n\r\n\t        // Events\r\n\t        onRefresh: null,\r\n\t        onBeforeScrollStart: function (e) { e.preventDefault(); },\r\n\t        onScrollStart: null,\r\n\t        onBeforeScrollMove: null,\r\n\t        onScrollMove: null,\r\n\t        onBeforeScrollEnd: null,\r\n\t        onScrollEnd: null,\r\n\t        onTouchEnd: null,\r\n\t        onDestroy: null\r\n\t    };\r\n\r\n\t    // User defined options\r\n\t    for (i in options) that.options[i] = options[i];\r\n\r\n\t    // Set starting position\r\n\t    that.x = that.options.x;\r\n\t    that.y = that.options.y;\r\n\r\n\t    // Normalize options\r\n\t    that.options.useTransform = hasTransform ? that.options.useTransform : false;\r\n\t    that.options.hScrollbar = that.options.hScroll && that.options.hScrollbar;\r\n\t    that.options.vScrollbar = that.options.vScroll && that.options.vScrollbar;\r\n\t    that.options.useTransition = hasTransitionEnd && that.options.useTransition;\r\n\r\n\t    // Set some default styles\r\n\t    that.scroller.style[vendor + 'TransitionProperty'] = that.options.useTransform ? '-' + vendor.toLowerCase() + '-transform' : 'top left';\r\n\t    that.scroller.style[vendor + 'TransitionDuration'] = '0';\r\n\t    that.scroller.style[vendor + 'TransformOrigin'] = '0 0';\r\n\t    if (that.options.useTransition) that.scroller.style[vendor + 'TransitionTimingFunction'] = 'cubic-bezier(0.33,0.66,0.66,1)';\r\n\r\n\t    if (that.options.useTransform) that.scroller.style[vendor + 'Transform'] = trnOpen + that.x + 'px,' + that.y + 'px' + trnClose;\r\n\t    else that.scroller.style.cssText += ';position:absolute;top:' + that.y + 'px;left:' + that.x + 'px';\r\n\r\n\t    that.refresh();\r\n\r\n\t    that._bind(RESIZE_EV, window);\r\n\t    that._bind(START_EV);\r\n\t    if (!hasTouch) that._bind('mouseout', that.wrapper);\r\n\t};\r\n\r\n    // Prototype\r\n    iScroll.prototype = {\r\n        enabled: true,\r\n        x: 0,\r\n        y: 0,\r\n        steps: [],\r\n        scale: 1,\r\n\r\n        handleEvent: function (e) {\r\n            var that = this;\r\n            switch (e.type) {\r\n                case START_EV:\r\n                    if (!hasTouch && e.button !== 0) return;\r\n                    that._start(e);\r\n                    break;\r\n                case MOVE_EV: that._move(e); break;\r\n                case END_EV:\r\n                case CANCEL_EV: that._end(e); break;\r\n                case RESIZE_EV: that._resize(); break;\r\n                case 'mouseout': that._mouseout(e); break;\r\n                case 'webkitTransitionEnd': that._transitionEnd(e); break;\r\n            }\r\n        },\r\n\r\n        _resize: function () {\r\n            this.refresh();\r\n        },\r\n\r\n        _pos: function (x, y) {\r\n            x = this.hScroll ? x : 0;\r\n            y = this.vScroll ? y : 0;\r\n\r\n            if (this.options.useTransform) {\r\n                this.scroller.style[vendor + 'Transform'] = trnOpen + x + 'px,' + y + 'px' + trnClose + ' scale(' + this.scale + ')';\r\n            } else {\r\n                x = mround(x);\r\n                y = mround(y);\r\n                this.scroller.style.left = x + 'px';\r\n                this.scroller.style.top = y + 'px';\r\n            }\r\n\r\n            this.x = x;\r\n            this.y = y;\r\n        },\r\n\r\n        _start: function (e) {\r\n            var that = this,\r\n\t\t\tpoint = hasTouch ? e.touches[0] : e,\r\n\t\t\tmatrix, x, y;\r\n\r\n            if (!that.enabled) return;\r\n\r\n            if (that.options.onBeforeScrollStart) that.options.onBeforeScrollStart.call(that, e);\r\n\r\n            if (that.options.useTransition) that._transitionTime(0);\r\n\r\n            that.moved = false;\r\n            that.animating = false;\r\n            that.zoomed = false;\r\n            that.distX = 0;\r\n            that.distY = 0;\r\n            that.absDistX = 0;\r\n            that.absDistY = 0;\r\n            that.dirX = 0;\r\n            that.dirY = 0;\r\n\r\n            if (that.options.momentum) {\r\n                if (that.options.useTransform) {\r\n                    // Very lame general purpose alternative to CSSMatrix\r\n                    matrix = getComputedStyle(that.scroller, null)[vendor + 'Transform'].replace(/[^0-9-.,]/g, '').split(',');\r\n                    x = matrix[4] * 1;\r\n                    y = matrix[5] * 1;\r\n                } else {\r\n                    x = getComputedStyle(that.scroller, null).left.replace(/[^0-9-]/g, '') * 1;\r\n                    y = getComputedStyle(that.scroller, null).top.replace(/[^0-9-]/g, '') * 1;\r\n                }\r\n\r\n                if (x != that.x || y != that.y) {\r\n                    if (that.options.useTransition) that._unbind('webkitTransitionEnd');\r\n                    else cancelFrame(that.aniTime);\r\n                    that.steps = [];\r\n                    that._pos(x, y);\r\n                }\r\n            }\r\n\r\n            that.startX = that.x;\r\n            that.startY = that.y;\r\n            that.pointX = point.pageX;\r\n            that.pointY = point.pageY;\r\n\r\n            that.startTime = e.timeStamp || Date.now();\r\n\r\n            if (that.options.onScrollStart) that.options.onScrollStart.call(that, e);\r\n\r\n            that._bind(MOVE_EV);\r\n            that._bind(END_EV);\r\n            that._bind(CANCEL_EV);\r\n        },\r\n\r\n        _move: function (e) {\r\n            var that = this,\r\n\t\t\tpoint = hasTouch ? e.touches[0] : e,\r\n\t\t\tdeltaX = point.pageX - that.pointX,\r\n\t\t\tdeltaY = point.pageY - that.pointY,\r\n\t\t\tnewX = that.x + deltaX,\r\n\t\t\tnewY = that.y + deltaY,\r\n\t\t\ttimestamp = e.timeStamp || Date.now();\r\n\r\n            if (that.options.onBeforeScrollMove) that.options.onBeforeScrollMove.call(that, e);\r\n\r\n            that.pointX = point.pageX;\r\n            that.pointY = point.pageY;\r\n\r\n            // Slow down if outside of the boundaries\r\n            if (newX > 0 || newX < that.maxScrollX) {\r\n                newX = that.options.bounce ? that.x + (deltaX / 2) : newX >= 0 || that.maxScrollX >= 0 ? 0 : that.maxScrollX;\r\n            }\r\n            if (newY > 0 || newY < that.maxScrollY) {\r\n                newY = that.options.bounce ? that.y + (deltaY / 2) : newY >= 0 || that.maxScrollY >= 0 ? 0 : that.maxScrollY;\r\n            }\r\n\r\n            that.distX += deltaX;\r\n            that.distY += deltaY;\r\n            that.absDistX = m.abs(that.distX);\r\n            that.absDistY = m.abs(that.distY);\r\n\r\n            if (that.absDistX < 6 && that.absDistY < 6) {\r\n                return;\r\n            }\r\n\r\n            // Lock direction\r\n            if (that.options.lockDirection) {\r\n                if (that.absDistX > that.absDistY + 5) {\r\n                    newY = that.y;\r\n                    deltaY = 0;\r\n                } else if (that.absDistY > that.absDistX + 5) {\r\n                    newX = that.x;\r\n                    deltaX = 0;\r\n                }\r\n            }\r\n\r\n            that.moved = true;\r\n            that._pos(newX, newY);\r\n            that.dirX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;\r\n            that.dirY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;\r\n\r\n            if (timestamp - that.startTime > 300) {\r\n                that.startTime = timestamp;\r\n                that.startX = that.x;\r\n                that.startY = that.y;\r\n            }\r\n\r\n            if (that.options.onScrollMove) that.options.onScrollMove.call(that, e);\r\n        },\r\n\r\n        _end: function (e) {\r\n            if (hasTouch && e.touches.length != 0) return;\r\n\r\n            var that = this,\r\n\t\t\tpoint = hasTouch ? e.changedTouches[0] : e,\r\n\t\t\ttarget, ev,\r\n\t\t\tmomentumX = { dist: 0, time: 0 },\r\n\t\t\tmomentumY = { dist: 0, time: 0 },\r\n\t\t\tduration = (e.timeStamp || Date.now()) - that.startTime,\r\n\t\t\tnewPosX = that.x,\r\n\t\t\tnewPosY = that.y,\r\n\t\t\tnewDuration;\r\n\r\n            that._unbind(MOVE_EV);\r\n            that._unbind(END_EV);\r\n            that._unbind(CANCEL_EV);\r\n\r\n            if (that.options.onBeforeScrollEnd) that.options.onBeforeScrollEnd.call(that, e);\r\n\r\n            if (!that.moved) {\r\n                if (hasTouch) {\r\n                    // Find the last touched element\r\n                    target = point.target;\r\n                    while (target.nodeType != 1) target = target.parentNode;\r\n\r\n                    if (target.tagName != 'SELECT' && target.tagName != 'INPUT' && target.tagName != 'TEXTAREA') {\r\n                        ev = document.createEvent('MouseEvents');\r\n                        ev.initMouseEvent('click', true, true, e.view, 1,\r\n\t\t\t\t\t\tpoint.screenX, point.screenY, point.clientX, point.clientY,\r\n\t\t\t\t\t\te.ctrlKey, e.altKey, e.shiftKey, e.metaKey,\r\n\t\t\t\t\t\t0, null);\r\n                        ev._fake = true;\r\n                        target.dispatchEvent(ev);\r\n                    }\r\n                }\r\n\r\n                that._resetPos(200);\r\n\r\n                if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);\r\n                return;\r\n            }\r\n\r\n            if (duration < 300 && that.options.momentum) {\r\n                momentumX = newPosX ? that._momentum(newPosX - that.startX, duration, -that.x, that.scrollerW - that.wrapperW + that.x, that.options.bounce ? that.wrapperW : 0) : momentumX;\r\n                momentumY = newPosY ? that._momentum(newPosY - that.startY, duration, -that.y, (that.maxScrollY < 0 ? that.scrollerH - that.wrapperH + that.y : 0), that.options.bounce ? that.wrapperH : 0) : momentumY;\r\n\r\n                newPosX = that.x + momentumX.dist;\r\n                newPosY = that.y + momentumY.dist;\r\n\r\n                if ((that.x > 0 && newPosX > 0) || (that.x < that.maxScrollX && newPosX < that.maxScrollX)) momentumX = { dist: 0, time: 0 };\r\n                if ((that.y > 0 && newPosY > 0) || (that.y < that.maxScrollY && newPosY < that.maxScrollY)) momentumY = { dist: 0, time: 0 };\r\n            }\r\n\r\n            if (momentumX.dist || momentumY.dist) {\r\n                newDuration = m.max(m.max(momentumX.time, momentumY.time), 10);\r\n\r\n                that.scrollTo(mround(newPosX), mround(newPosY), newDuration);\r\n\r\n                if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);\r\n                return;\r\n            }\r\n\r\n            that._resetPos(200);\r\n            if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);\r\n        },\r\n\r\n        _resetPos: function (time) {\r\n            var that = this,\r\n\t\t\tresetX = that.x >= 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x,\r\n\t\t\tresetY = that.y >= 0 || that.maxScrollY > 0 ? 0 : that.y < that.maxScrollY ? that.maxScrollY : that.y;\r\n\r\n            if (resetX == that.x && resetY == that.y) {\r\n                if (that.moved) {\r\n                    if (that.options.onScrollEnd) that.options.onScrollEnd.call(that); \t// Execute custom code on scroll end\r\n                    that.moved = false;\r\n                }\r\n\r\n                return;\r\n            }\r\n\r\n            that.scrollTo(resetX, resetY, time || 0);\r\n        },\r\n\r\n        _mouseout: function (e) {\r\n            var t = e.relatedTarget;\r\n\r\n            if (!t) {\r\n                this._end(e);\r\n                return;\r\n            }\r\n\r\n            while (t = t.parentNode) if (t == this.wrapper) return;\r\n\r\n            this._end(e);\r\n        },\r\n\r\n        _transitionEnd: function (e) {\r\n            var that = this;\r\n\r\n            if (e.target != that.scroller) return;\r\n\r\n            that._unbind('webkitTransitionEnd');\r\n\r\n            that._startAni();\r\n        },\r\n\r\n        /**\r\n        *\r\n        * Utilities\r\n        *\r\n        */\r\n        _startAni: function () {\r\n            var that = this,\r\n\t\t\tstartX = that.x, startY = that.y,\r\n\t\t\tstartTime = Date.now(),\r\n\t\t\tstep, easeOut,\r\n\t\t\tanimate;\r\n\r\n            if (that.animating) return;\r\n\r\n            if (!that.steps.length) {\r\n                that._resetPos(400);\r\n                return;\r\n            }\r\n\r\n            step = that.steps.shift();\r\n\r\n            if (step.x == startX && step.y == startY) step.time = 0;\r\n\r\n            that.animating = true;\r\n            that.moved = true;\r\n\r\n            if (that.options.useTransition) {\r\n                that._transitionTime(step.time);\r\n                that._pos(step.x, step.y);\r\n                that.animating = false;\r\n                if (step.time) that._bind('webkitTransitionEnd');\r\n                else that._resetPos(0);\r\n                return;\r\n            }\r\n\r\n            animate = function () {\r\n                var now = Date.now(),\r\n\t\t\t\tnewX, newY;\r\n\r\n                if (now >= startTime + step.time) {\r\n                    that._pos(step.x, step.y);\r\n                    that.animating = false;\r\n                    if (that.options.onAnimationEnd) that.options.onAnimationEnd.call(that); \t\t// Execute custom code on animation end\r\n                    that._startAni();\r\n                    return;\r\n                }\r\n\r\n                now = (now - startTime) / step.time - 1;\r\n                easeOut = m.sqrt(1 - now * now);\r\n                newX = (step.x - startX) * easeOut + startX;\r\n                newY = (step.y - startY) * easeOut + startY;\r\n                that._pos(newX, newY);\r\n                if (that.animating) that.aniTime = nextFrame(animate);\r\n            };\r\n\r\n            animate();\r\n        },\r\n\r\n        _transitionTime: function (time) {\r\n            this.scroller.style[vendor + 'TransitionDuration'] = time + 'ms';\r\n        },\r\n\r\n        _momentum: function (dist, time, maxDistUpper, maxDistLower, size) {\r\n            var deceleration = 0.0006,\r\n\t\t\tspeed = m.abs(dist) / time,\r\n\t\t\tnewDist = (speed * speed) / (2 * deceleration),\r\n\t\t\tnewTime = 0, outsideDist = 0;\r\n\r\n            // Proportinally reduce speed if we are outside of the boundaries \r\n            if (dist > 0 && newDist > maxDistUpper) {\r\n                outsideDist = size / (6 / (newDist / speed * deceleration));\r\n                maxDistUpper = maxDistUpper + outsideDist;\r\n                speed = speed * maxDistUpper / newDist;\r\n                newDist = maxDistUpper;\r\n            } else if (dist < 0 && newDist > maxDistLower) {\r\n                outsideDist = size / (6 / (newDist / speed * deceleration));\r\n                maxDistLower = maxDistLower + outsideDist;\r\n                speed = speed * maxDistLower / newDist;\r\n                newDist = maxDistLower;\r\n            }\r\n\r\n            newDist = newDist * (dist < 0 ? -1 : 1);\r\n            newTime = speed / deceleration;\r\n\r\n            return { dist: newDist, time: mround(newTime) };\r\n        },\r\n\r\n        _offset: function (el) {\r\n            var left = -el.offsetLeft,\r\n\t\t\ttop = -el.offsetTop;\r\n\r\n            while (el = el.offsetParent) {\r\n                left -= el.offsetLeft;\r\n                top -= el.offsetTop;\r\n            }\r\n\r\n            return { left: left, top: top };\r\n        },\r\n\r\n        _bind: function (type, el, bubble) {\r\n            (el || this.scroller).addEventListener(type, this, !!bubble);\r\n        },\r\n\r\n        _unbind: function (type, el, bubble) {\r\n            (el || this.scroller).removeEventListener(type, this, !!bubble);\r\n        },\r\n\r\n\r\n        /**\r\n        *\r\n        * Public methods\r\n        *\r\n        */\r\n        destroy: function () {\r\n            var that = this;\r\n\r\n            that.scroller.style[vendor + 'Transform'] = '';\r\n\r\n            // Remove the event listeners\r\n            that._unbind(RESIZE_EV, window);\r\n            that._unbind(START_EV);\r\n            that._unbind(MOVE_EV);\r\n            that._unbind(END_EV);\r\n            that._unbind(CANCEL_EV);\r\n            that._unbind('mouseout', that.wrapper);\r\n            if (that.options.useTransition) that._unbind('webkitTransitionEnd');\r\n\r\n            if (that.options.onDestroy) that.options.onDestroy.call(that);\r\n        },\r\n\r\n        refresh: function () {\r\n            var that = this,\r\n\t\t\toffset;\r\n\r\n            that.wrapperW = that.wrapper.clientWidth;\r\n            that.wrapperH = that.wrapper.clientHeight;\r\n\r\n            that.scrollerW = that.scroller.offsetWidth;\r\n            that.scrollerH = that.scroller.offsetHeight;\r\n            that.maxScrollX = that.wrapperW - that.scrollerW;\r\n            that.maxScrollY = that.wrapperH - that.scrollerH;\r\n            that.dirX = 0;\r\n            that.dirY = 0;\r\n\r\n            that.hScroll = that.options.hScroll && that.maxScrollX < 0;\r\n            that.vScroll = that.options.vScroll && (!that.options.bounceLock && !that.hScroll || that.scrollerH > that.wrapperH);\r\n\r\n            offset = that._offset(that.wrapper);\r\n            that.wrapperOffsetLeft = -offset.left;\r\n            that.wrapperOffsetTop = -offset.top;\r\n\r\n\r\n            that.scroller.style[vendor + 'TransitionDuration'] = '0';\r\n\r\n            that._resetPos(200);\r\n        },\r\n\r\n        scrollTo: function (x, y, time, relative) {\r\n            var that = this,\r\n\t\t\tstep = x,\r\n\t\t\ti, l;\r\n\r\n            that.stop();\r\n\r\n            if (!step.length) step = [{ x: x, y: y, time: time, relative: relative}];\r\n\r\n            for (i = 0, l = step.length; i < l; i++) {\r\n                if (step[i].relative) { step[i].x = that.x - step[i].x; step[i].y = that.y - step[i].y; }\r\n                that.steps.push({ x: step[i].x, y: step[i].y, time: step[i].time || 0 });\r\n            }\r\n\r\n            that._startAni();\r\n        },\r\n\r\n        scrollToElement: function (el, time) {\r\n            var that = this, pos;\r\n            el = el.nodeType ? el : that.scroller.querySelector(el);\r\n            if (!el) return;\r\n\r\n            pos = that._offset(el);\r\n            pos.left += that.wrapperOffsetLeft;\r\n            pos.top += that.wrapperOffsetTop;\r\n\r\n            pos.left = pos.left > 0 ? 0 : pos.left < that.maxScrollX ? that.maxScrollX : pos.left;\r\n            pos.top = pos.top > 0 ? 0 : pos.top < that.maxScrollY ? that.maxScrollY : pos.top;\r\n            time = time === undefined ? m.max(m.abs(pos.left) * 2, m.abs(pos.top) * 2) : time;\r\n\r\n            that.scrollTo(pos.left, pos.top, time);\r\n        },\r\n\r\n        disable: function () {\r\n            this.stop();\r\n            this._resetPos(0);\r\n            this.enabled = false;\r\n\r\n            // If disabled after touchstart we make sure that there are no left over events\r\n            this._unbind(MOVE_EV);\r\n            this._unbind(END_EV);\r\n            this._unbind(CANCEL_EV);\r\n        },\r\n\r\n        enable: function () {\r\n            this.enabled = true;\r\n        },\r\n\r\n        stop: function () {\r\n            cancelFrame(this.aniTime);\r\n            this.steps = [];\r\n            this.moved = false;\r\n            this.animating = false;\r\n        }\r\n    };\r\n\r\n    if (typeof exports !== 'undefined') exports.iScroll = iScroll;\r\n    else window.iScroll = iScroll;\r\n\r\n})();\r\n"]}