// jQuery hcSticky
// =============
// Version: 1.1.9
// Copyright: Some Web Media
// Author: Some Web Guy
// Author URL: http://twitter.com/some_web_guy
// Website: http://someweblog.com/
// Plugin URL: http://someweblog.com/hcsticky-jquery-floating-sticky-plugin/
// License: Released under the MIT License www.opensource.org/licenses/mit-license.php
// Description: Makes elements on your page float as you scroll

(function($){var getScroll=function(){if(typeof getScroll.x=='undefined'){getScroll.x=window.pageXOffset;getScroll.y=window.pageYOffset;}if(typeof getScroll.distanceX=='undefined'){getScroll.distanceX=window.pageXOffset;getScroll.distanceY=window.pageYOffset;}else{getScroll.distanceX=window.pageXOffset-getScroll.x;getScroll.distanceY=window.pageYOffset-getScroll.y;}var diffX=getScroll.x-window.pageXOffset,diffY=getScroll.y-window.pageYOffset;getScroll.direction=diffX<0?'right':diffX>0?'left':diffY<=0?'down':diffY>0?'up':'first';getScroll.x=window.pageXOffset;getScroll.y=window.pageYOffset;};$(window).on('scroll',getScroll);var getCSS=function(el,style){if(typeof el.cssClone=='undefined'){el.cssClone=el.clone().css('display','none');el.after(el.cssClone);}var clone=el.cssClone[0];if(typeof style!='undefined'){var value;if(clone.currentStyle){value=clone.currentStyle[style.replace(/-\w/g,function(s){return s.toUpperCase().replace('-','')})];}else if(window.getComputedStyle){value=document.defaultView.getComputedStyle(clone,null).getPropertyValue(style);}value=(/margin/g.test(style))?((parseInt(value)===el[0].offsetLeft)?value:'auto'):value;}return{value:value||null,remove:function(){el.cssClone.remove();}};};$.fn.extend({hcSticky:function(options,reinit){if(this.length==0)return this;var settings=options||{},running=(this.data('hcSticky'))?true:false,$window=$(window),$document=$(document);if(typeof settings=='string'){switch(settings){case'reinit':$window.off('scroll',this.data('hcSticky').f);return this.hcSticky({},true);break;case'off':this.data('hcSticky',$.extend(this.data('hcSticky'),{on:false}));break;case'on':this.data('hcSticky',$.extend(this.data('hcSticky'),{on:true}));break;}return this;}else if(typeof settings=='object'){if(!running){this.data('hcSticky',$.extend({top:0,bottom:0,bottomEnd:0,bottomLimiter:null,innerTop:0,innerSticker:null,className:'sticky',wrapperClassName:'wrapper-sticky',noContainer:false,followScroll:true,onStart:function(){},onStop:function(){},on:true},settings));var $bottom_limiter=this.data('hcSticky').bottomLimiter;if($bottom_limiter!==null&&this.data('hcSticky').noContainer){this.data('hcSticky',$.extend(this.data('hcSticky'),{bottomEnd:$document.height()-$($bottom_limiter).offset().top}));}}else{this.data('hcSticky',$.extend(this.data('hcSticky'),settings));}if(running&&!reinit){return this;}}return this.each(function(){var $this=$(this),$wrapper=(function(){var $this_wrapper=$this.parent('.'+$this.data('hcSticky').wrapperClassName);if($this_wrapper.length>0){$this_wrapper.css({'height':$this.outerHeight(true),'width':(function(){var width=getCSS($this_wrapper,'width').value;getCSS($this_wrapper).remove();if(width.indexOf('%')>=0||width=='auto'){$this.css('width',$this_wrapper.width());return width;}else{return $this.outerWidth(true);}})()});return $this_wrapper;}else{return false;}})()||(function(){var $this_wrapper=$('<div>',{'class':$this.data('hcSticky').wrapperClassName}).css({'height':$this.outerHeight(true),'width':(function(){var width=getCSS($this,'width').value;if(width.indexOf('%')>=0||width=='auto'){$this.css('width',$this.width());return width;}else{var margin=getCSS($this,'margin-left').value;return(margin=='auto')?$this.outerWidth():$this.outerWidth(true);}})(),'margin':(getCSS($this,'margin-left').value)?'auto':null,'position':(function(){var position=$this.css('position');return position=='static'?'relative':position;})(),'float':$this.css('float')||null,'left':getCSS($this,'left').value,'right':getCSS($this,'right').value,'top':getCSS($this,'top').value,'bottom':getCSS($this,'bottom').value});$this.wrap($this_wrapper);return $this.parent();})(),setFixed=function(args){if($this.hasClass($this.data('hcSticky').className))return;args=args||{};$this.css({position:'fixed',top:args.top||0,left:args.left||$wrapper.offset().left}).addClass($this.data('hcSticky').className);$this.data('hcSticky').onStart.apply($(this));},reset=function(args){args=args||{};$this.css({position:args.position||'absolute',top:args.top||0,left:args.left||0}).removeClass($this.data('hcSticky').className);$this.data('hcSticky').onStop.apply($(this));};getCSS($this).remove();$this.css({top:'auto',bottom:'auto',left:'auto',right:'auto'});var f=function(init){$referrer=($this.data('hcSticky').noContainer)?$document:$wrapper.parent();if(!$this.data('hcSticky').on||$this.outerHeight(true)>=$referrer.height())return;var top_spacing=($this.data('hcSticky').innerSticker)?$($this.data('hcSticky').innerSticker).position().top:(($this.data('hcSticky').innerTop)?$this.data('hcSticky').innerTop:0),wrapper_inner_top=$wrapper.offset().top,bottom_limit=$referrer.height()-$this.data('hcSticky').bottomEnd+($this.data('hcSticky').noContainer?0:wrapper_inner_top),top_limit=$wrapper.offset().top-$this.data('hcSticky').top+top_spacing,this_height=$this.outerHeight(true)+$this.data('hcSticky').bottom,window_height=$window.height(),offset_top=$window.scrollTop(),this_document_top=$this.offset().top,this_window_top=this_document_top-offset_top,bottom_distance;if(offset_top>=top_limit){if(bottom_limit+$this.data('hcSticky').bottom-($this.data('hcSticky').followScroll?0:$this.data('hcSticky').top)<=offset_top+this_height-top_spacing-((this_height-top_spacing>window_height-(top_limit-top_spacing)&&$this.data('hcSticky').followScroll)?(((bottom_distance=this_height-window_height-top_spacing)>0)?bottom_distance:0):0)){reset({top:bottom_limit-this_height+$this.data('hcSticky').bottom-wrapper_inner_top});}else if(this_height-top_spacing>window_height&&$this.data('hcSticky').followScroll){if(this_window_top+this_height<=window_height){if(getScroll.direction=='down'){setFixed({top:window_height-this_height});}else{if(this_window_top<0&&$this.css('position')=='fixed'){reset({top:this_document_top-(top_limit+$this.data('hcSticky').top-top_spacing)-getScroll.distanceY});}}}else{if(getScroll.direction=='up'&&this_document_top>=offset_top+$this.data('hcSticky').top-top_spacing){setFixed({top:$this.data('hcSticky').top-top_spacing});}else if(getScroll.direction=='down'&&this_document_top+this_height>window_height&&$this.css('position')=='fixed'){reset({top:this_document_top-(top_limit+$this.data('hcSticky').top-top_spacing)-getScroll.distanceY});}}}else{setFixed({top:$this.data('hcSticky').top-top_spacing});}}else{reset();}if(init===true){$this.css('top',($this.css('position')=='fixed')?$this.data('hcSticky').top-top_spacing:0);}};$window.on('resize',function(){if($this.css('position')=='fixed'){$this.css('left',$wrapper.offset().left);}else{$this.css('left',0);}});$this.data('hcSticky',$.extend($this.data('hcSticky'),{f:function(){}}));$this.data('hcSticky',$.extend($this.data('hcSticky'),{f:f}));$this.data('hcSticky').f(true);$window.on('scroll',$this.data('hcSticky').f);});}});})(jQuery);