File: /home/seoprovi/srainfotech.in/js/sticky.js
/*!
Waypoints - 3.1.1
Copyright © 2011-2015 Caleb Troughton
Licensed under the MIT license.
https://github.com/imakewebthings/waypoints/blog/master/licenses.txt
*/
!function(){"use strict";function t(o){if(!o)throw new Error("No options passed to Waypoint constructor");if(!o.element)throw new Error("No element option passed to Waypoint constructor");if(!o.handler)throw new Error("No handler option passed to Waypoint constructor");this.key="waypoint-"+e,this.options=t.Adapter.extend({},t.defaults,o),this.element=this.options.element,this.adapter=new t.Adapter(this.element),this.callback=o.handler,this.axis=this.options.horizontal?"horizontal":"vertical",this.enabled=this.options.enabled,this.triggerPoint=null,this.group=t.Group.findOrCreate({name:this.options.group,axis:this.axis}),this.context=t.Context.findOrCreateByElement(this.options.context),t.offsetAliases[this.options.offset]&&(this.options.offset=t.offsetAliases[this.options.offset]),this.group.add(this),this.context.add(this),i[this.key]=this,e+=1}var e=0,i={};t.prototype.queueTrigger=function(t){this.group.queueTrigger(this,t)},t.prototype.trigger=function(t){this.enabled&&this.callback&&this.callback.apply(this,t)},t.prototype.destroy=function(){this.context.remove(this),this.group.remove(this),delete i[this.key]},t.prototype.disable=function(){return this.enabled=!1,this},t.prototype.enable=function(){return this.context.refresh(),this.enabled=!0,this},t.prototype.next=function(){return this.group.next(this)},t.prototype.previous=function(){return this.group.previous(this)},t.invokeAll=function(t){var e=[];for(var o in i)e.push(i[o]);for(var n=0,r=e.length;r>n;n++)e[n][t]()},t.destroyAll=function(){t.invokeAll("destroy")},t.disableAll=function(){t.invokeAll("disable")},t.enableAll=function(){t.invokeAll("enable")},t.refreshAll=function(){t.Context.refreshAll()},t.viewportHeight=function(){return window.innerHeight||document.documentElement.clientHeight},t.viewportWidth=function(){return document.documentElement.clientWidth},t.adapters=[],t.defaults={context:window,continuous:!0,enabled:!0,group:"default",horizontal:!1,offset:0},t.offsetAliases={"bottom-in-view":function(){return this.context.innerHeight()-this.adapter.outerHeight()},"right-in-view":function(){return this.context.innerWidth()-this.adapter.outerWidth()}},window.Waypoint=t}(),function(){"use strict";function t(t){window.setTimeout(t,1e3/60)}function e(t){this.element=t,this.Adapter=n.Adapter,this.adapter=new this.Adapter(t),this.key="waypoint-context-"+i,this.didScroll=!1,this.didResize=!1,this.oldScroll={x:this.adapter.scrollLeft(),y:this.adapter.scrollTop()},this.waypoints={vertical:{},horizontal:{}},t.waypointContextKey=this.key,o[t.waypointContextKey]=this,i+=1,this.createThrottledScrollHandler(),this.createThrottledResizeHandler()}var i=0,o={},n=window.Waypoint,r=window.onload;e.prototype.add=function(t){var e=t.options.horizontal?"horizontal":"vertical";this.waypoints[e][t.key]=t,this.refresh()},e.prototype.checkEmpty=function(){var t=this.Adapter.isEmptyObject(this.waypoints.horizontal),e=this.Adapter.isEmptyObject(this.waypoints.vertical);t&&e&&(this.adapter.off(".waypoints"),delete o[this.key])},e.prototype.createThrottledResizeHandler=function(){function t(){e.handleResize(),e.didResize=!1}var e=this;this.adapter.on("resize.waypoints",function(){e.didResize||(e.didResize=!0,n.requestAnimationFrame(t))})},e.prototype.createThrottledScrollHandler=function(){function t(){e.handleScroll(),e.didScroll=!1}var e=this;this.adapter.on("scroll.waypoints",function(){(!e.didScroll||n.isTouch)&&(e.didScroll=!0,n.requestAnimationFrame(t))})},e.prototype.handleResize=function(){n.Context.refreshAll()},e.prototype.handleScroll=function(){var t={},e={horizontal:{newScroll:this.adapter.scrollLeft(),oldScroll:this.oldScroll.x,forward:"right",backward:"left"},vertical:{newScroll:this.adapter.scrollTop(),oldScroll:this.oldScroll.y,forward:"down",backward:"up"}};for(var i in e){var o=e[i],n=o.newScroll>o.oldScroll,r=n?o.forward:o.backward;for(var s in this.waypoints[i]){var a=this.waypoints[i][s],l=o.oldScroll<a.triggerPoint,h=o.newScroll>=a.triggerPoint,p=l&&h,u=!l&&!h;(p||u)&&(a.queueTrigger(r),t[a.group.id]=a.group)}}for(var c in t)t[c].flushTriggers();this.oldScroll={x:e.horizontal.newScroll,y:e.vertical.newScroll}},e.prototype.innerHeight=function(){return this.element==this.element.window?n.viewportHeight():this.adapter.innerHeight()},e.prototype.remove=function(t){delete this.waypoints[t.axis][t.key],this.checkEmpty()},e.prototype.innerWidth=function(){return this.element==this.element.window?n.viewportWidth():this.adapter.innerWidth()},e.prototype.destroy=function(){var t=[];for(var e in this.waypoints)for(var i in this.waypoints[e])t.push(this.waypoints[e][i]);for(var o=0,n=t.length;n>o;o++)t[o].destroy()},e.prototype.refresh=function(){var t,e=this.element==this.element.window,i=this.adapter.offset(),o={};this.handleScroll(),t={horizontal:{contextOffset:e?0:i.left,contextScroll:e?0:this.oldScroll.x,contextDimension:this.innerWidth(),oldScroll:this.oldScroll.x,forward:"right",backward:"left",offsetProp:"left"},vertical:{contextOffset:e?0:i.top,contextScroll:e?0:this.oldScroll.y,contextDimension:this.innerHeight(),oldScroll:this.oldScroll.y,forward:"down",backward:"up",offsetProp:"top"}};for(var n in t){var r=t[n];for(var s in this.waypoints[n]){var a,l,h,p,u,c=this.waypoints[n][s],d=c.options.offset,f=c.triggerPoint,w=0,y=null==f;c.element!==c.element.window&&(w=c.adapter.offset()[r.offsetProp]),"function"==typeof d?d=d.apply(c):"string"==typeof d&&(d=parseFloat(d),c.options.offset.indexOf("%")>-1&&(d=Math.ceil(r.contextDimension*d/100))),a=r.contextScroll-r.contextOffset,c.triggerPoint=w+a-d,l=f<r.oldScroll,h=c.triggerPoint>=r.oldScroll,p=l&&h,u=!l&&!h,!y&&p?(c.queueTrigger(r.backward),o[c.group.id]=c.group):!y&&u?(c.queueTrigger(r.forward),o[c.group.id]=c.group):y&&r.oldScroll>=c.triggerPoint&&(c.queueTrigger(r.forward),o[c.group.id]=c.group)}}for(var g in o)o[g].flushTriggers();return this},e.findOrCreateByElement=function(t){return e.findByElement(t)||new e(t)},e.refreshAll=function(){for(var t in o)o[t].refresh()},e.findByElement=function(t){return o[t.waypointContextKey]},window.onload=function(){r&&r(),e.refreshAll()},n.requestAnimationFrame=function(e){var i=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||t;i.call(window,e)},n.Context=e}(),function(){"use strict";function t(t,e){return t.triggerPoint-e.triggerPoint}function e(t,e){return e.triggerPoint-t.triggerPoint}function i(t){this.name=t.name,this.axis=t.axis,this.id=this.name+"-"+this.axis,this.waypoints=[],this.clearTriggerQueues(),o[this.axis][this.name]=this}var o={vertical:{},horizontal:{}},n=window.Waypoint;i.prototype.add=function(t){this.waypoints.push(t)},i.prototype.clearTriggerQueues=function(){this.triggerQueues={up:[],down:[],left:[],right:[]}},i.prototype.flushTriggers=function(){for(var i in this.triggerQueues){var o=this.triggerQueues[i],n="up"===i||"left"===i;o.sort(n?e:t);for(var r=0,s=o.length;s>r;r+=1){var a=o[r];(a.options.continuous||r===o.length-1)&&a.trigger([i])}}this.clearTriggerQueues()},i.prototype.next=function(e){this.waypoints.sort(t);var i=n.Adapter.inArray(e,this.waypoints),o=i===this.waypoints.length-1;return o?null:this.waypoints[i+1]},i.prototype.previous=function(e){this.waypoints.sort(t);var i=n.Adapter.inArray(e,this.waypoints);return i?this.waypoints[i-1]:null},i.prototype.queueTrigger=function(t,e){this.triggerQueues[e].push(t)},i.prototype.remove=function(t){var e=n.Adapter.inArray(t,this.waypoints);e>-1&&this.waypoints.splice(e,1)},i.prototype.first=function(){return this.waypoints[0]},i.prototype.last=function(){return this.waypoints[this.waypoints.length-1]},i.findOrCreate=function(t){return o[t.axis][t.name]||new i(t)},n.Group=i}(),function(){"use strict";function t(t){this.$element=e(t)}var e=window.jQuery,i=window.Waypoint;e.each(["innerHeight","innerWidth","off","offset","on","outerHeight","outerWidth","scrollLeft","scrollTop"],function(e,i){t.prototype[i]=function(){var t=Array.prototype.slice.call(arguments);return this.$element[i].apply(this.$element,t)}}),e.each(["extend","inArray","isEmptyObject"],function(i,o){t[o]=e[o]}),i.adapters.push({name:"jquery",Adapter:t}),i.Adapter=t}(),function(){"use strict";function t(t){return function(){var i=[],o=arguments[0];return t.isFunction(arguments[0])&&(o=t.extend({},arguments[1]),o.handler=arguments[0]),this.each(function(){var n=t.extend({},o,{element:this});"string"==typeof n.context&&(n.context=t(this).closest(n.context)[0]),i.push(new e(n))}),i}}var e=window.Waypoint;window.jQuery&&(window.jQuery.fn.waypoint=t(window.jQuery)),window.Zepto&&(window.Zepto.fn.waypoint=t(window.Zepto))}();
(function($){var defaults={topSpacing:0,bottomSpacing:0,className:'is-sticky',wrapperClassName:'sticky-wrapper',center:false,getWidthFrom:''},$window=$(window),$document=$(document),sticked=[],windowHeight=$window.height(),scroller=function(){var scrollTop=$window.scrollTop(),documentHeight=$document.height(),dwh=documentHeight-windowHeight,extra=(scrollTop>dwh)?dwh-scrollTop:0;for(var i=0;i<sticked.length;i++){var s=sticked[i],elementTop=s.stickyWrapper.offset().top,etse=elementTop-s.topSpacing-extra;if(scrollTop<=etse){if(s.currentTop!==null){s.stickyElement.css('position','').css('top','');s.stickyElement.parent().removeClass(s.className);s.currentTop=null;}}else{var newTop=documentHeight-s.stickyElement.outerHeight()-s.topSpacing-s.bottomSpacing-scrollTop-extra;if(newTop<0){newTop=newTop+s.topSpacing;}else{newTop=s.topSpacing;}if(s.currentTop!=newTop){s.stickyElement.css('position','fixed').css('top',newTop);if(typeof s.getWidthFrom!=='undefined'){s.stickyElement.css('width',$(s.getWidthFrom).width());}s.stickyElement.parent().addClass(s.className);s.currentTop=newTop;}}}},resizer=function(){windowHeight=$window.height();},methods={init:function(options){var o=$.extend(defaults,options);return this.each(function(){var stickyElement=$(this);var stickyId=stickyElement.attr('id');var wrapper=$('<div></div>').attr('id',stickyId+'-sticky-wrapper').addClass(o.wrapperClassName);stickyElement.wrapAll(wrapper);if(o.center){stickyElement.parent().css({width:stickyElement.outerWidth(),marginLeft:"auto",marginRight:"auto"});}if(stickyElement.css("float")=="right"){stickyElement.css({"float":"none"}).parent().css({"float":"right"});}var stickyWrapper=stickyElement.parent();stickyWrapper.css('height',stickyElement.outerHeight());sticked.push({topSpacing:o.topSpacing,bottomSpacing:o.bottomSpacing,stickyElement:stickyElement,currentTop:null,stickyWrapper:stickyWrapper,className:o.className,getWidthFrom:o.getWidthFrom});});},update:scroller};if(window.addEventListener){window.addEventListener('scroll',scroller,false);window.addEventListener('resize',resizer,false);}else if(window.attachEvent){window.attachEvent('onscroll',scroller);window.attachEvent('onresize',resizer);}$.fn.sticky=function(method){if(methods[method]){return methods[method].apply(this,Array.prototype.slice.call(arguments,1));}else if(typeof method==='object'||!method){return methods.init.apply(this,arguments);}else{$.error('Method '+method+' does not exist on jQuery.sticky');}};$(function(){setTimeout(scroller,0);});})(jQuery);
(function(){var defaultOptions={frameRate:150,animationTime:500,stepSize:150,pulseAlgorithm:true,pulseScale:6,pulseNormalize:1,accelerationDelta:20,accelerationMax:1,keyboardSupport:true,arrowScroll:50,touchpadSupport:true,fixedBackground:true,excluded:""};var options=defaultOptions;var isExcluded=false;var isFrame=false;var direction={x:0,y:0};var initDone=false;var root=document.documentElement;var activeElement;var observer;var deltaBuffer=[120,120,120];var key={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,pagedown:34,end:35,home:36};var options=defaultOptions;function initTest(){var disableKeyboard=false;if(disableKeyboard){removeEvent("keydown",keydown);}if(options.keyboardSupport&&!disableKeyboard){addEvent("keydown",keydown);}}function init(){if(!document.body)return;var body=document.body;var html=document.documentElement;var windowHeight=window.innerHeight;var scrollHeight=body.scrollHeight;root=(document.compatMode.indexOf('CSS')>=0)?html:body;activeElement=body;initTest();initDone=true;if(top!=self){isFrame=true;}else if(scrollHeight>windowHeight&&(body.offsetHeight<=windowHeight||html.offsetHeight<=windowHeight)){html.style.height='auto';if(root.offsetHeight<=windowHeight){var underlay=document.createElement("div");underlay.style.clear="both";body.appendChild(underlay);}}if(!options.fixedBackground&&!isExcluded){body.style.backgroundAttachment="scroll";html.style.backgroundAttachment="scroll";}}var que=[];var pending=false;var lastScroll=+new Date;function scrollArray(elem,left,top,delay){delay||(delay=1000);directionCheck(left,top);if(options.accelerationMax!=1){var now=+new Date;var elapsed=now-lastScroll;if(elapsed<options.accelerationDelta){var factor=(1+(30/elapsed))/2;if(factor>1){factor=Math.min(factor,options.accelerationMax);left*=factor;top*=factor;}}lastScroll=+new Date;}que.push({x:left,y:top,lastX:(left<0)?0.99:-0.99,lastY:(top<0)?0.99:-0.99,start:+new Date});if(pending){return;}var scrollWindow=(elem===document.body);var step=function(time){var now=+new Date;var scrollX=0;var scrollY=0;for(var i=0;i<que.length;i++){var item=que[i];var elapsed=now-item.start;var finished=(elapsed>=options.animationTime);var position=(finished)?1:elapsed/options.animationTime;if(options.pulseAlgorithm){position=pulse(position);}var x=(item.x*position-item.lastX)>>0;var y=(item.y*position-item.lastY)>>0;scrollX+=x;scrollY+=y;item.lastX+=x;item.lastY+=y;if(finished){que.splice(i,1);i--;}}if(scrollWindow){window.scrollBy(scrollX,scrollY);}else{if(scrollX)elem.scrollLeft+=scrollX;if(scrollY)elem.scrollTop+=scrollY;}if(!left&&!top){que=[];}if(que.length){requestFrame(step,elem,(delay/options.frameRate+1));}else{pending=false;}};requestFrame(step,elem,0);pending=true;}function wheel(event){if(!initDone){init();}var target=event.target;var overflowing=overflowingAncestor(target);if(!overflowing||event.defaultPrevented||isNodeName(activeElement,"embed")||(isNodeName(target,"embed")&&/\.pdf/i.test(target.src))){return true;}var deltaX=event.wheelDeltaX||0;var deltaY=event.wheelDeltaY||0;if(!deltaX&&!deltaY){deltaY=event.wheelDelta||0;}if(!options.touchpadSupport&&isTouchpad(deltaY)){return true;}if(Math.abs(deltaX)>1.2){deltaX*=options.stepSize/120;}if(Math.abs(deltaY)>1.2){deltaY*=options.stepSize/120;}scrollArray(overflowing,-deltaX,-deltaY);event.preventDefault();}function keydown(event){var target=event.target;var modifier=event.ctrlKey||event.altKey||event.metaKey||(event.shiftKey&&event.keyCode!==key.spacebar);if(/input|textarea|select|embed/i.test(target.nodeName)||target.isContentEditable||event.defaultPrevented||modifier){return true;}if(isNodeName(target,"button")&&event.keyCode===key.spacebar){return true;}var shift,x=0,y=0;var elem=overflowingAncestor(activeElement);var clientHeight=elem.clientHeight;if(elem==document.body){clientHeight=window.innerHeight;}switch(event.keyCode){case key.up:y=-options.arrowScroll;break;case key.down:y=options.arrowScroll;break;case key.spacebar:shift=event.shiftKey?1:-1;y=-shift*clientHeight*0.9;break;case key.pageup:y=-clientHeight*0.9;break;case key.pagedown:y=clientHeight*0.9;break;case key.home:y=-elem.scrollTop;break;case key.end:var damt=elem.scrollHeight-elem.scrollTop-clientHeight;y=(damt>0)?damt+10:0;break;case key.left:x=-options.arrowScroll;break;case key.right:x=options.arrowScroll;break;default:return true;}scrollArray(elem,x,y);event.preventDefault();}function mousedown(event){activeElement=event.target;}var cache={};setInterval(function(){cache={};},10*1000);var uniqueID=(function(){var i=0;return function(el){return el.uniqueID||(el.uniqueID=i++);};})();function setCache(elems,overflowing){for(var i=elems.length;i--;)cache[uniqueID(elems[i])]=overflowing;return overflowing;}function overflowingAncestor(el){var elems=[];var rootScrollHeight=root.scrollHeight;do{var cached=cache[uniqueID(el)];if(cached){return setCache(elems,cached);}elems.push(el);if(rootScrollHeight===el.scrollHeight){if(!isFrame||root.clientHeight+10<rootScrollHeight){return setCache(elems,document.body);}}else if(el.clientHeight+10<el.scrollHeight){overflow=getComputedStyle(el,"").getPropertyValue("overflow-y");if(overflow==="scroll"||overflow==="auto"){return setCache(elems,el);}}}while(el=el.parentNode);}function addEvent(type,fn,bubble){window.addEventListener(type,fn,(bubble||false));}function removeEvent(type,fn,bubble){window.removeEventListener(type,fn,(bubble||false));}function isNodeName(el,tag){return(el.nodeName||"").toLowerCase()===tag.toLowerCase();}function directionCheck(x,y){x=(x>0)?1:-1;y=(y>0)?1:-1;if(direction.x!==x||direction.y!==y){direction.x=x;direction.y=y;que=[];lastScroll=0;}}var deltaBufferTimer;function isTouchpad(deltaY){if(!deltaY)return;deltaY=Math.abs(deltaY)
deltaBuffer.push(deltaY);deltaBuffer.shift();clearTimeout(deltaBufferTimer);var allEquals=(deltaBuffer[0]==deltaBuffer[1]&&deltaBuffer[1]==deltaBuffer[2]);var allDivisable=(isDivisible(deltaBuffer[0],120)&&isDivisible(deltaBuffer[1],120)&&isDivisible(deltaBuffer[2],120));return!(allEquals||allDivisable);}function isDivisible(n,divisor){return(Math.floor(n/divisor)==n/divisor);}var requestFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||function(callback,element,delay){window.setTimeout(callback,delay||(1000/60));};})();function pulse_(x){var val,start,expx;x=x*options.pulseScale;if(x<1){val=x-(1-Math.exp(-x));}else{start=Math.exp(-1);x-=1;expx=1-Math.exp(-x);val=start+(expx*(1-start));}return val*options.pulseNormalize;}function pulse(x){if(x>=1)return 1;if(x<=0)return 0;if(options.pulseNormalize==1){options.pulseNormalize/=pulse_(1);}return pulse_(x);}var isChrome=/chrome/i.test(window.navigator.userAgent);var isMouseWheelSupported='onmousewheel'in document;if(isMouseWheelSupported&&isChrome){addEvent("mousedown",mousedown);addEvent("mousewheel",wheel);addEvent("load",init);};})();
/*! Stellar.js v0.6.2 | Copyright 2014, Mark Dalgleish | http://markdalgleish.com/projects/stellar.js | http://markdalgleish.mit-license.org */
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