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📄 jquery.mCustomScrollbar.css(52.4 KB)
📄 jquery.mCustomScrollbar.js(79.68 KB)
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Editing: jquery.mCustomScrollbar.js

/*
== malihu jquery custom scrollbar plugin == 
Version: 3.0.3 
Plugin URI: http://manos.malihu.gr/jquery-custom-content-scroller 
Author: malihu
Author URI: http://manos.malihu.gr
License: MIT License (MIT)
*/

/*
Copyright 2010 Manos Malihutsakis (email: manos@malihu.gr)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

/*
The code below is fairly long, fully commented and should be normally used in development. 
For production, use either the minified jquery.mCustomScrollbar.min.js script or 
the production-ready jquery.mCustomScrollbar.concat.min.js which contains the plugin 
and dependencies (minified). 
*/

;(function(window,document,undefined){

/* plugin dependencies */
(function(init){
	/* support for RequireJS */
	if(typeof define==="function" && define.amd){
		define(["jquery", "jquery-mousewheel"], init);
	}else{
		var _dlp=("https:"==document.location.protocol) ? "https:" : "http:"; /* dependency location protocol */
		/* load jquery-mousewheel plugin (via CDN) if it's not present (works when mCustomScrollbar fn is called on window load) */
		$.event.special.mousewheel || $("head").append(decodeURI("%3Cscript src="+_dlp+"//cdnjs.cloudflare.com/ajax/libs/jquery-mousewheel/3.1.11/jquery.mousewheel.min.js%3E%3C/script%3E"));
		init(jQuery);
	}
}

(function($){
	
	/* 
	----------------------------------------
	PLUGIN NAMESPACE, PREFIX, DEFAULT SELECTOR(S) 
	----------------------------------------
	*/
	
	var pluginNS="mCustomScrollbar",
		pluginPfx="mCS",
		defaultSelector=".mCustomScrollbar",
	
	
		
	
	
	/* 
	----------------------------------------
	DEFAULT OPTIONS 
	----------------------------------------
	*/
	
		defaults={
			/* 
			set element/content width programmatically 
			values: boolean, pixels, percentage 
			*/
			setWidth:false,
			/* 
			set element/content height programmatically 
			values: boolean, pixels, percentage 
			*/
			setHeight:false,
			/*
			set the initial css top property of content  
			values: string (e.g. "-100px", "10%" etc.)
			*/
			setTop:0,
			/*
			set the initial css left property of content  
			values: string (e.g. "-100px", "10%" etc.)
			*/
			setLeft:0,
			/* 
			scrollbar axis (vertical and/or horizontal scrollbars) 
			values (string): "y", "x", "yx"
			*/
			axis:"y",
			/*
			position of scrollbar relative to content  
			values (string): "inside", "outside" ("outside" requires elements with position:relative)
			*/
			scrollbarPosition:"inside",
			/*
			scrolling inertia
			values: integer (milliseconds)
			*/
			scrollInertia:950,
			/* 
			auto-adjust scrollbar dragger length
			values: boolean
			*/
			autoDraggerLength:true,
			/*
			auto-hide scrollbar when idle 
			values: boolean
			*/
			autoHideScrollbar:false,
			/*
			auto-expands scrollbar on mouse-over and dragging
			*/
			autoExpandScrollbar:false,
			/*
			always show scrollbar, even when there's nothing to scroll 
			values: integer (0=disable, 1=always show dragger rail, 2=always show dragger rail, dragger and buttons), boolean
			*/
			alwaysShowScrollbar:0,
			/*
			scrolling always snaps to a multiple of this number in pixels
			values: integer
			*/
			snapAmount:null,
			/*
			when snapping, snap with this number in pixels as an offset 
			values: integer
			*/
			snapOffset:0,
			/* 
			mouse-wheel scrolling
			*/
			mouseWheel:{
				/* 
				enable mouse-wheel scrolling
				values: boolean
				*/
				enable:true,
				/* 
				scrolling amount in pixels
				values: "auto", integer 
				*/
				scrollAmount:"auto",
				/* 
				mouse-wheel scrolling axis 
				the default scrolling direction when both vertical and horizontal scrollbars are present 
				values (string): "y", "x" 
				*/
				axis:"y",
				/* 
				prevent the default behaviour which automatically scrolls the parent element(s) 
				when end of scrolling is reached 
				values: boolean
				*/
				preventDefault:false,
				/*
				the reported mouse-wheel delta value. The number of lines (translated to pixels) one wheel notch scrolls.  
				values: "auto", integer 
				"auto" uses the default OS/browser value 
				*/
				deltaFactor:"auto",
				/*
				normalize mouse-wheel delta to -1 or 1 (disables mouse-wheel acceleration) 
				values: boolean
				*/
				normalizeDelta:false,
				/*
				invert mouse-wheel scrolling direction 
				values: boolean
				*/
				invert:false,
				/*
				the tags that disable mouse-wheel when cursor is over them
				*/
				disableOver:["select","option","keygen","datalist","textarea"]
			},
			/* 
			scrollbar buttons
			*/
			scrollButtons:{ 
				/*
				enable scrollbar buttons
				values: boolean
				*/
				enable:false,
				/*
				scrollbar buttons scrolling type 
				values (string): "stepless", "stepped"
				*/
				scrollType:"stepless",
				/*
				scrolling amount in pixels
				values: "auto", integer 
				*/
				scrollAmount:"auto"
			},
			/* 
			keyboard scrolling
			*/
			keyboard:{ 
				/*
				enable scrolling via keyboard
				values: boolean
				*/
				enable:true,
				/*
				keyboard scrolling type 
				values (string): "stepless", "stepped"
				*/
				scrollType:"stepless",
				/*
				scrolling amount in pixels
				values: "auto", integer 
				*/
				scrollAmount:"auto"
			},
			/*
			enable content touch-swipe scrolling 
			values: boolean, integer, string (number)
			integer values define the axis-specific minimum amount required for scrolling momentum
			*/
			contentTouchScroll:25,
			/*
			advanced option parameters
			*/
			advanced:{
				/*
				auto-expand content horizontally (for "x" or "yx" axis) 
				values: boolean
				*/
				autoExpandHorizontalScroll:false,
				/*
				auto-scroll to elements with focus
				*/
				autoScrollOnFocus:"input,textarea,select,button,datalist,keygen,a[tabindex],area,object,[contenteditable='true']",
				/*
				auto-update scrollbars on content, element or viewport resize 
				should be true for fluid layouts/elements, adding/removing content dynamically, hiding/showing elements, content with images etc. 
				values: boolean
				*/
				updateOnContentResize:true,
				/*
				auto-update scrollbars each time each image inside the element is fully loaded 
				values: boolean
				*/
				updateOnImageLoad:true,
				/*
				auto-update scrollbars based on the amount and size changes of specific selectors 
				useful when you need to update the scrollbar(s) automatically, each time a type of element is added, removed or changes its size 
				values: boolean, string (e.g. "ul li" will auto-update scrollbars each time list-items inside the element are changed) 
				a value of true (boolean) will auto-update scrollbars each time any element is changed
				*/
				updateOnSelectorChange:false
			},
			/* 
			scrollbar theme 
			values: string 
			ready-to-use themes: "light", "dark", "light-2", "dark-2", "light-3", "dark-3", "light-thick", "dark-thick", "light-thin", "dark-thin", 
			"rounded", "rounded-dark", "rounded-dots", "rounded-dots-dark", "3d", "3d-dark", "3d-thick", "3d-thick-dark", "minimal", "minimal-dark", 
			"inset", "inset-dark", "inset-2", "inset-2-dark", "inset-3", "inset-3-dark"
			*/
			theme:"light",
			/*
			user defined callback functions
			*/
			callbacks:{
				/*
				function to call when a scroll event starts 
				values (function): function(){}
				*/
				onScrollStart:false,
				/*
				function to call when a scroll event is complete 
				values (function): function(){}
				*/
				onScroll:false,
				/*
				function to call when a scroll event is complete and content is scrolled all the way to the end (bottom/right)
				values (function): function(){}
				*/
				onTotalScroll:false,
				/*
				function to call when a scroll event is complete and content is scrolled back to the beginning (top/left)
				values (function): function(){}
				*/
				onTotalScrollBack:false,
				/*
				function to call when a scroll event is running 
				values (function): function(){}
				*/
				whileScrolling:false,
				/*
				onTotalScroll offset value
				values: integer (pixels)
				*/
				onTotalScrollOffset:0,
				/*
				onTotalScrollBack offset value
				values: integer (pixels)
				*/
				onTotalScrollBackOffset:0,
				/*
				callback offsets will trigger even if content is already scrolled to the end or beginning
				values: boolean
				*/
				alwaysTriggerOffsets:true
			},
			/*
			add scrollbar(s) on all elements matching the current selector, now and in the future 
			values: boolean, string 
			string values: "on" (enable), "once" (disable after first invocation), "off" (disable)
			*/
			live:false,
			/*
			the matching set of elements (instead of the current selector) to add scrollbar(s), now and in the future
			values: string (selector)
			*/
			liveSelector:null
		},
	
	
	
	
	
	/* 
	----------------------------------------
	VARS, CONSTANTS 
	----------------------------------------
	*/
	
		totalInstances=0, /* plugin instances amount */
		liveTimers={}, /* live option timers */
		/* live option timers removal */
		removeLiveTimers=function(selector){
			if(liveTimers[selector]){
				clearTimeout(liveTimers[selector]);
				functions._delete.call(null,liveTimers[selector]);
			}
		},
		oldIE=(window.attachEvent && !window.addEventListener) ? 1 : 0, /* detect IE < 9 */
		touchActive=false, /* global touch state (for touch and pointer events) */
		
	
	
	
	
	/* 
	----------------------------------------
	METHODS 
	----------------------------------------
	*/
	
		methods={
			
			/* 
			plugin initialization method 
			creates the scrollbar(s), plugin data object and options
			----------------------------------------
			*/
			
			init:function(options){
				
				var options=$.extend(true,{},defaults,options),
					selector=functions._selector.call(this); /* validate selector */
				
				/* 
				if live option is enabled, monitor for elements matching the current selector and 
				apply scrollbar(s) when found (now and in the future) 
				*/
				if(options.live){
					var liveSelector=options.liveSelector || this.selector || defaultSelector, /* live selector(s) */
						$liveSelector=$(liveSelector); /* live selector(s) as jquery object */
					if(options.live==="off"){
						/* 
						disable live if requested 
						usage: $(selector).mCustomScrollbar({live:"off"}); 
						*/
						removeLiveTimers(liveSelector);
						return;
					}
					liveTimers[liveSelector]=setTimeout(function(){
						/* call mCustomScrollbar fn on live selector(s) every half-second */
						$liveSelector.mCustomScrollbar(options);
						if(options.live==="once" && $liveSelector.length){
							/* disable live after first invocation */
							removeLiveTimers(liveSelector);
						}
					},500);
				}else{
					removeLiveTimers(liveSelector);
				}
				
				/* options backward compatibility (for versions < 3.0.0) and normalization */
				options.setWidth=(options.set_width) ? options.set_width : options.setWidth;
				options.setHeight=(options.set_height) ? options.set_height : options.setHeight;
				options.axis=(options.horizontalScroll) ? "x" : functions._findAxis.call(null,options.axis);
				options.scrollInertia=options.scrollInertia<17 ? 17 : options.scrollInertia;
				if(typeof options.mouseWheel!=="object" &&  options.mouseWheel==true){ /* old school mouseWheel option (non-object) */
					options.mouseWheel={enable:true,scrollAmount:"auto",axis:"y",preventDefault:false,deltaFactor:"auto",normalizeDelta:false,invert:false}
				}
				options.mouseWheel.scrollAmount=!options.mouseWheelPixels ? options.mouseWheel.scrollAmount : options.mouseWheelPixels;
				options.mouseWheel.normalizeDelta=!options.advanced.normalizeMouseWheelDelta ? options.mouseWheel.normalizeDelta : options.advanced.normalizeMouseWheelDelta;
				options.scrollButtons.scrollType=functions._findScrollButtonsType.call(null,options.scrollButtons.scrollType); 
				
				functions._theme.call(null,options); /* theme-specific options */
				
				/* plugin constructor */
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if(!$this.data(pluginPfx)){ /* prevent multiple instantiations */
					
						/* store options and create objects in jquery data */
						$this.data(pluginPfx,{
							idx:++totalInstances, /* instance index */
							opt:options, /* options */
							scrollRatio:{y:null,x:null}, /* scrollbar to content ratio */
							overflowed:null, /* overflowed axis */
							bindEvents:false, /* object to check if events are bound */
							tweenRunning:false, /* object to check if tween is running */
							sequential:{}, /* sequential scrolling object */
							langDir:$this.css("direction"), /* detect/store direction (ltr or rtl) */
							cbOffsets:null, /* object to check whether callback offsets always trigger */
							/* 
							object to check how scrolling events where last triggered 
							"internal" (default - triggered by this script), "external" (triggered by other scripts, e.g. via scrollTo method) 
							usage: object.data("mCS").trigger
							*/
							trigger:null
						});
						
						/* HTML data attributes */
						var o=$this.data(pluginPfx).opt,
							htmlDataAxis=$this.data("mcs-axis"),htmlDataSbPos=$this.data("mcs-scrollbar-position"),htmlDataTheme=$this.data("mcs-theme");
						if(htmlDataAxis){o.axis=htmlDataAxis;} /* usage example: data-mcs-axis="y" */
						if(htmlDataSbPos){o.scrollbarPosition=htmlDataSbPos;} /* usage example: data-mcs-scrollbar-position="outside" */
						if(htmlDataTheme){ /* usage example: data-mcs-theme="minimal" */
							o.theme=htmlDataTheme;
							functions._theme.call(null,o); /* theme-specific options */
						}
						
						functions._pluginMarkup.call(this); /* add plugin markup */
						
						methods.update.call(null,$this); /* call the update method */
					
					}
					
				});
				
			},
			/* ---------------------------------------- */
			
			
			
			/* 
			plugin update method 
			updates content and scrollbar(s) values, events and status 
			----------------------------------------
			usage: $(selector).mCustomScrollbar("update");
			*/
			
			update:function(el){
				
				var selector=el || functions._selector.call(this); /* validate selector */
				
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if($this.data(pluginPfx)){ /* check if plugin has initialized */
						
						var d=$this.data(pluginPfx),o=d.opt,
							mCSB_container=$("#mCSB_"+d.idx+"_container"),
							mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
						
						if(!mCSB_container.length){return;}
						
						if(d.tweenRunning){functions._stop.call(null,$this);} /* stop any running tweens while updating */
						
						/* if element was disabled or destroyed, remove class(es) */
						if($this.hasClass("mCS_disabled")){$this.removeClass("mCS_disabled");}
						if($this.hasClass("mCS_destroyed")){$this.removeClass("mCS_destroyed");}
						
						functions._maxHeight.call(this); /* detect/set css max-height value */
						
						functions._expandContentHorizontally.call(this); /* expand content horizontally */
						
						if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){
							mCSB_container.css("width",functions._contentWidth(mCSB_container.children()));
						}
						
						d.overflowed=functions._overflowed.call(this); /* determine if scrolling is required */
						
						functions._scrollbarVisibility.call(this); /* show/hide scrollbar(s) */
						
						/* auto-adjust scrollbar dragger length analogous to content */
						if(o.autoDraggerLength){functions._setDraggerLength.call(this);}
						
						functions._scrollRatio.call(this); /* calculate and store scrollbar to content ratio */
						
						functions._bindEvents.call(this); /* bind scrollbar events */
						
						/* reset scrolling position and/or events */
						var to=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)];
						if(o.axis!=="x"){ /* y/yx axis */
							if(!d.overflowed[0]){ /* y scrolling is not required */
								functions._resetContentPosition.call(this); /* reset content position */
								if(o.axis==="y"){
									functions._unbindEvents.call(this);
								}else if(o.axis==="yx" && d.overflowed[1]){
									functions._scrollTo.call(this,$this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"});
								}
							}else if(mCSB_dragger[0].height()>mCSB_dragger[0].parent().height()){
								functions._resetContentPosition.call(this); /* reset content position */
							}else{ /* y scrolling is required */
								functions._scrollTo.call(this,$this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"});
							}
						}
						if(o.axis!=="y"){ /* x/yx axis */
							if(!d.overflowed[1]){ /* x scrolling is not required */
								functions._resetContentPosition.call(this); /* reset content position */
								if(o.axis==="x"){
									functions._unbindEvents.call(this);
								}else if(o.axis==="yx" && d.overflowed[0]){
									functions._scrollTo.call(this,$this,to[0].toString(),{dir:"y",dur:0,overwrite:"none"});
								}
							}else if(mCSB_dragger[1].width()>mCSB_dragger[1].parent().width()){
								functions._resetContentPosition.call(this); /* reset content position */
							}else{ /* x scrolling is required */
								functions._scrollTo.call(this,$this,to[1].toString(),{dir:"x",dur:0,overwrite:"none"});
							}
						}
						
						functions._autoUpdate.call(this); /* initialize automatic updating (for dynamic content, fluid layouts etc.) */
						
					}
					
				});
				
			},
			/* ---------------------------------------- */
			
			
			
			/* 
			plugin scrollTo method 
			triggers a scrolling event to a specific value
			----------------------------------------
			usage: $(selector).mCustomScrollbar("scrollTo",value,options);
			*/
		
			scrollTo:function(val,options){
				
				/* prevent silly things like $(selector).mCustomScrollbar("scrollTo",undefined); */
				if(typeof val=="undefined" || val==null){return;}
				
				var selector=functions._selector.call(this); /* validate selector */
				
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if($this.data(pluginPfx)){ /* check if plugin has initialized */
					
						var d=$this.data(pluginPfx),o=d.opt,
							/* method default options */
							methodDefaults={
								trigger:"external", /* method is by default triggered externally (e.g. from other scripts) */
								scrollInertia:o.scrollInertia, /* scrolling inertia (animation duration) */
								scrollEasing:"mcsEaseInOut", /* animation easing */
								moveDragger:false, /* move dragger instead of content */
								callbacks:true, /* enable/disable callbacks */
								onStart:true,
								onUpdate:true,
								onComplete:true
							},
							methodOptions=$.extend(true,{},methodDefaults,options),
							to=functions._arr.call(this,val),dur=methodOptions.scrollInertia < 17 ? 17 : methodOptions.scrollInertia;
						
						/* translate yx values to actual scroll-to positions */
						to[0]=functions._to.call(this,to[0],"y");
						to[1]=functions._to.call(this,to[1],"x");
						
						/* 
						check if scroll-to value moves the dragger instead of content. 
						Only pixel values apply on dragger (e.g. 100, "100px", "-=100" etc.) 
						*/
						if(methodOptions.moveDragger){
							to[0]*=d.scrollRatio.y;
							to[1]*=d.scrollRatio.x;
						}
						
						methodOptions.dur=dur;
						
						setTimeout(function(){ 
							/* do the scrolling */
							if(to[0]!==null && typeof to[0]!=="undefined" && o.axis!=="x" && d.overflowed[0]){ /* scroll y */
								methodOptions.dir="y";
								methodOptions.overwrite="all";
								functions._scrollTo.call(this,$this,to[0].toString(),methodOptions);
							}
							if(to[1]!==null && typeof to[1]!=="undefined" && o.axis!=="y" && d.overflowed[1]){ /* scroll x */
								methodOptions.dir="x";
								methodOptions.overwrite="none";
								functions._scrollTo.call(this,$this,to[1].toString(),methodOptions);
							}
						},60);
						
					}
					
				});
				
			},
			/* ---------------------------------------- */
			
			
			
			/*
			plugin stop method 
			stops scrolling animation
			----------------------------------------
			usage: $(selector).mCustomScrollbar("stop");
			*/
			stop:function(){
				
				var selector=functions._selector.call(this); /* validate selector */
				
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if($this.data(pluginPfx)){ /* check if plugin has initialized */
										
						functions._stop.call(null,$this);
					
					}
					
				});
				
			},
			/* ---------------------------------------- */
			
			
			
			/*
			plugin disable method 
			temporarily disables the scrollbar(s) 
			----------------------------------------
			usage: $(selector).mCustomScrollbar("disable",reset); 
			reset (boolean): resets content position to 0 
			*/
			disable:function(r){
				
				var selector=functions._selector.call(this); /* validate selector */
				
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if($this.data(pluginPfx)){ /* check if plugin has initialized */
						
						var d=$this.data(pluginPfx),o=d.opt;
						
						functions._autoUpdate.call(this,"remove"); /* remove automatic updating */
						
						functions._unbindEvents.call(this); /* unbind events */
						
						if(r){functions._resetContentPosition.call(this);} /* reset content position */
						
						functions._scrollbarVisibility.call(this,true); /* show/hide scrollbar(s) */
						
						$this.addClass("mCS_disabled"); /* add disable class */
					
					}
					
				});
				
			},
			/* ---------------------------------------- */
			
			
			
			/*
			plugin destroy method 
			completely removes the scrollbar(s) and returns the element to its original state
			----------------------------------------
			usage: $(selector).mCustomScrollbar("destroy"); 
			*/
			destroy:function(){
				
				var selector=functions._selector.call(this); /* validate selector */
				
				return $(selector).each(function(){
					
					var $this=$(this);
					
					if($this.data(pluginPfx)){ /* check if plugin has initialized */
					
						var d=$this.data(pluginPfx),o=d.opt,
							mCustomScrollBox=$("#mCSB_"+d.idx),
							mCSB_container=$("#mCSB_"+d.idx+"_container"),
							scrollbar=$(".mCSB_"+d.idx+"_scrollbar");
					
						if(o.live){removeLiveTimers(selector);} /* remove live timer */
						
						functions._autoUpdate.call(this,"remove"); /* remove automatic updating */
						
						functions._unbindEvents.call(this); /* unbind events */
						
						functions._resetContentPosition.call(this); /* reset content position */
						
						$this.removeData(pluginPfx); /* remove plugin data object */
						
						functions._delete.call(null,this.mcs); /* delete callbacks object */
						
						/* remove plugin markup */
						scrollbar.remove(); /* remove scrollbar(s) first (those can be either inside or outside plugin's inner wrapper) */
						mCustomScrollBox.replaceWith(mCSB_container.contents()); /* replace plugin's inner wrapper with the original content */
						/* remove plugin classes from the element and add destroy class */
						$this.removeClass(pluginNS+" _"+pluginPfx+"_"+d.idx+" mCS-autoHide mCS-dir-rtl mCS_no_scrollbar mCS_disabled").addClass("mCS_destroyed");
					
					}
					
				});
				
			}
			/* ---------------------------------------- */
			
		},
	
	
	
	
		
	/* 
	----------------------------------------
	FUNCTIONS
	----------------------------------------
	*/
	
		functions={
			
			/* validates selector (if selector is invalid or undefined uses the default one) */
			_selector:function(){
				return (typeof $(this)!=="object" || $(this).length<1) ? defaultSelector : this;
			},
			/* -------------------- */
			
			/* changes options according to theme */
			_theme:function(obj){
				var fixedSizeScrollbarThemes=["rounded","rounded-dark","rounded-dots","rounded-dots-dark"],
					nonExpandedScrollbarThemes=["rounded-dots","rounded-dots-dark","3d","3d-dark","3d-thick","3d-thick-dark","inset","inset-dark","inset-2","inset-2-dark","inset-3","inset-3-dark"],
					disabledScrollButtonsThemes=["minimal","minimal-dark"],
					enabledAutoHideScrollbarThemes=["minimal","minimal-dark"],
					scrollbarPositionOutsideThemes=["minimal","minimal-dark"];
				obj.autoDraggerLength=$.inArray(obj.theme,fixedSizeScrollbarThemes) > -1 ? false : obj.autoDraggerLength;
				obj.autoExpandScrollbar=$.inArray(obj.theme,nonExpandedScrollbarThemes) > -1 ? false : obj.autoExpandScrollbar;
				obj.scrollButtons.enable=$.inArray(obj.theme,disabledScrollButtonsThemes) > -1 ? false : obj.scrollButtons.enable;
				obj.autoHideScrollbar=$.inArray(obj.theme,enabledAutoHideScrollbarThemes) > -1 ? true : obj.autoHideScrollbar;
				obj.scrollbarPosition=$.inArray(obj.theme,scrollbarPositionOutsideThemes) > -1 ? "outside" : obj.scrollbarPosition;
			},
			/* -------------------- */
			
			
			/* normalizes axis option to valid values: "y", "x", "yx" */
			_findAxis:function(val){
				return (val==="yx" || val==="xy" || val==="auto") ? "yx" : (val==="x" || val==="horizontal") ? "x" : "y";
			},
			/* -------------------- */
			
			
			/* normalizes scrollButtons.scrollType option to valid values: "stepless", "stepped" */
			_findScrollButtonsType:function(val){
				return (val==="stepped" || val==="pixels" || val==="step" || val==="click") ? "stepped" : "stepless";
			},
			/* -------------------- */
			
			
			/* generates plugin markup */
			_pluginMarkup:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					expandClass=o.autoExpandScrollbar ? " mCSB_scrollTools_onDrag_expand" : "",
					scrollbar=["<div id='mCSB_"+d.idx+"_scrollbar_vertical' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_vertical"+expandClass+"'><div class='mCSB_draggerContainer'><div id='mCSB_"+d.idx+"_dragger_vertical' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>","<div id='mCSB_"+d.idx+"_scrollbar_horizontal' class='mCSB_scrollTools mCSB_"+d.idx+"_scrollbar mCS-"+o.theme+" mCSB_scrollTools_horizontal"+expandClass+"'><div class='mCSB_draggerContainer'><div id='mCSB_"+d.idx+"_dragger_horizontal' class='mCSB_dragger' style='position:absolute;' oncontextmenu='return false;'><div class='mCSB_dragger_bar' /></div><div class='mCSB_draggerRail' /></div></div>"],
					wrapperClass=o.axis==="yx" ? "mCSB_vertical_horizontal" : o.axis==="x" ? "mCSB_horizontal" : "mCSB_vertical",
					scrollbars=o.axis==="yx" ? scrollbar[0]+scrollbar[1] : o.axis==="x" ? scrollbar[1] : scrollbar[0],
					contentWrapper=o.axis==="yx" ? "<div id='mCSB_"+d.idx+"_container_wrapper' class='mCSB_container_wrapper' />" : "",
					autoHideClass=o.autoHideScrollbar ? " mCS-autoHide" : "",
					scrollbarDirClass=(o.axis!=="x" && d.langDir==="rtl") ? " mCS-dir-rtl" : "";
				if(o.setWidth){$this.css("width",o.setWidth);} /* set element width */
				if(o.setHeight){$this.css("height",o.setHeight);} /* set element height */
				o.setLeft=(o.axis!=="y" && d.langDir==="rtl") ? "989999px" : o.setLeft; /* adjust left position for rtl direction */
				$this.addClass(pluginNS+" _"+pluginPfx+"_"+d.idx+autoHideClass+scrollbarDirClass).wrapInner("<div id='mCSB_"+d.idx+"' class='mCustomScrollBox mCS-"+o.theme+" "+wrapperClass+"'><div id='mCSB_"+d.idx+"_container' class='mCSB_container' style='position:relative; top:"+o.setTop+"; left:"+o.setLeft+";' dir="+d.langDir+" /></div>");
				var mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container");
				if(o.axis!=="y" && !o.advanced.autoExpandHorizontalScroll){
					mCSB_container.css("width",functions._contentWidth(mCSB_container.children()));
				}
				if(o.scrollbarPosition==="outside"){
					if($this.css("position")==="static"){ /* requires elements with non-static position */
						$this.css("position","relative");
					}
					$this.css("overflow","visible");
					mCustomScrollBox.addClass("mCSB_outside").after(scrollbars);
				}else{
					mCustomScrollBox.addClass("mCSB_inside").append(scrollbars);
					mCSB_container.wrap(contentWrapper);
				}
				functions._scrollButtons.call(this); /* add scrollbar buttons */
				/* minimum dragger length */
				var mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
				mCSB_dragger[0].css("min-height",mCSB_dragger[0].height());
				mCSB_dragger[1].css("min-width",mCSB_dragger[1].width());
			},
			/* -------------------- */
			
			
			/* calculates content width */
			_contentWidth:function(el){
				return Math.max.apply(Math,el.map(function(){return $(this).outerWidth(true);}).get());
			},
			/* -------------------- */
			
			
			/* expands content horizontally */
			_expandContentHorizontally:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCSB_container=$("#mCSB_"+d.idx+"_container");
				if(o.advanced.autoExpandHorizontalScroll && o.axis!=="y"){
					/* 
					wrap content with an infinite width div and set its position to absolute and width to auto. 
					Setting width to auto before calculating the actual width is important! 
					We must let the browser set the width as browser zoom values are impossible to calculate.
					*/
					mCSB_container.css({"position":"absolute","width":"auto"})
						.wrap("<div class='mCSB_h_wrapper' style='position:relative; left:0; width:999999px;' />")
						.css({ /* set actual width, original position and un-wrap */
							/* 
							get the exact width (with decimals) and then round-up. 
							Using jquery outerWidth() will round the width value which will mess up with inner elements that have non-integer width
							*/
							"width":(Math.ceil(mCSB_container[0].getBoundingClientRect().right+0.4)-Math.floor(mCSB_container[0].getBoundingClientRect().left)),
							"position":"relative"
						}).unwrap();
				}
			},
			/* -------------------- */
			
			
			/* adds scrollbar buttons */
			_scrollButtons:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCSB_scrollTools=$(".mCSB_"+d.idx+"_scrollbar:first"),
					btnHTML=[
						"<a href='#' class='mCSB_buttonUp' oncontextmenu='return false;' />","<a href='#' class='mCSB_buttonDown' oncontextmenu='return false;' />",
						"<a href='#' class='mCSB_buttonLeft' oncontextmenu='return false;' />","<a href='#' class='mCSB_buttonRight' oncontextmenu='return false;' />"
					],
					btn=[(o.axis==="x" ? btnHTML[2] : btnHTML[0]),(o.axis==="x" ? btnHTML[3] : btnHTML[1]),btnHTML[2],btnHTML[3]];
				if(o.scrollButtons.enable){
					mCSB_scrollTools.prepend(btn[0]).append(btn[1]).next(".mCSB_scrollTools").prepend(btn[2]).append(btn[3]);
				}
			},
			/* -------------------- */
			
			
			/* detects/sets css max-height value */
			_maxHeight:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mh=$this.css("max-height"),pct=mh.indexOf("%")!==-1,
					bs=$this.css("box-sizing");
				if(mh!=="none"){
					var val=pct ? $this.parent().height()*parseInt(mh)/100 : parseInt(mh);
					/* if element's css box-sizing is "border-box", subtract any paddings and/or borders from max-height value */
					if(bs==="border-box"){val-=(($this.innerHeight()-$this.height())+($this.outerHeight()-$this.innerHeight()));}
					mCustomScrollBox.css("max-height",Math.round(val));
				}
			},
			/* -------------------- */
			
			
			/* auto-adjusts scrollbar dragger length */
			_setDraggerLength:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
					ratio=[mCustomScrollBox.height()/mCSB_container.outerHeight(false),mCustomScrollBox.width()/mCSB_container.outerWidth(false)],
					l=[
						parseInt(mCSB_dragger[0].css("min-height")),Math.round(ratio[0]*mCSB_dragger[0].parent().height()),
						parseInt(mCSB_dragger[1].css("min-width")),Math.round(ratio[1]*mCSB_dragger[1].parent().width())
					],
					h=oldIE && (l[1]<l[0]) ? l[0] : l[1],w=oldIE && (l[3]<l[2]) ? l[2] : l[3];
				mCSB_dragger[0].css({
					"height":h,"max-height":(mCSB_dragger[0].parent().height()-10)
				}).find(".mCSB_dragger_bar").css({"line-height":l[0]+"px"});
				mCSB_dragger[1].css({
					"width":w,"max-width":(mCSB_dragger[1].parent().width()-10)
				});
			},
			/* -------------------- */
			
			
			/* calculates scrollbar to content ratio */
			_scrollRatio:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
					scrollAmount=[mCSB_container.outerHeight(false)-mCustomScrollBox.height(),mCSB_container.outerWidth(false)-mCustomScrollBox.width()],
					ratio=[
						scrollAmount[0]/(mCSB_dragger[0].parent().height()-mCSB_dragger[0].height()),
						scrollAmount[1]/(mCSB_dragger[1].parent().width()-mCSB_dragger[1].width())
					];
				d.scrollRatio={y:ratio[0],x:ratio[1]};
			},
			/* -------------------- */
			
			
			/* toggles scrolling classes */
			_onDragClasses:function(el,action,xpnd){
				var expandClass=xpnd ? "mCSB_dragger_onDrag_expanded" : "",classes=["mCSB_dragger_onDrag","mCSB_scrollTools_onDrag"],
					scrollbar=el.closest(".mCSB_scrollTools");
				if(action==="active"){
					el.toggleClass(classes[0]+" "+expandClass); scrollbar.toggleClass(classes[1]); 
					el[0]._draggable=el[0]._draggable ? 0 : 1;
				}else{
					if(!el[0]._draggable){
						if(action==="hide"){
							el.removeClass(classes[0]); scrollbar.removeClass(classes[1]);
						}else{
							el.addClass(classes[0]); scrollbar.addClass(classes[1]);
						}
					}
				}
			},
			/* -------------------- */
			
			
			/* checks if content overflows its container to determine if scrolling is required */
			_overflowed:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					contentHeight=d.overflowed==null ? mCSB_container.height() : mCSB_container.outerHeight(false),
					contentWidth=d.overflowed==null ? mCSB_container.width() : mCSB_container.outerWidth(false);
				return [contentHeight>mCustomScrollBox.height(),contentWidth>mCustomScrollBox.width()];
			},
			/* -------------------- */
			
			
			/* resets content position to 0 */
			_resetContentPosition:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
				functions._stop($this); /* stop any current scrolling before resetting */
				if((o.axis!=="x" && !d.overflowed[0]) || (o.axis==="y" && d.overflowed[0])){mCSB_dragger[0].add(mCSB_container).css("top",0);} /* reset y */
				if((o.axis!=="y" && !d.overflowed[1]) || (o.axis==="x" && d.overflowed[1])){ /* reset x */
					var cx=dx=0;
					if(d.langDir==="rtl"){ /* adjust left position for rtl direction */
						cx=mCustomScrollBox.width()-mCSB_container.outerWidth(false);
						dx=Math.abs(cx/d.scrollRatio.x);
					}
					mCSB_container.css("left",cx);
					mCSB_dragger[1].css("left",dx);
				}
			},
			/* -------------------- */
			
			
			/* binds scrollbar events */
			_bindEvents:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt;
				if(!d.bindEvents){ /* check if events are already bound */
					functions._draggable.call(this);
					if(o.contentTouchScroll){functions._contentDraggable.call(this);}
					if(o.mouseWheel.enable){ /* bind mousewheel fn when plugin is available */
						function _mwt(){
							mousewheelTimeout=setTimeout(function(){
								if(!$.event.special.mousewheel){
									_mwt();
								}else{
									clearTimeout(mousewheelTimeout);
									functions._mousewheel.call($this[0]);
								}
							},1000);
						}
						var mousewheelTimeout;
						_mwt();
					}
					functions._draggerRail.call(this);
					functions._wrapperScroll.call(this);
					if(o.advanced.autoScrollOnFocus){functions._focus.call(this);}
					if(o.scrollButtons.enable){functions._buttons.call(this);}
					if(o.keyboard.enable){functions._keyboard.call(this);}
					d.bindEvents=true;
				}
			},
			/* -------------------- */
			
			
			/* unbinds scrollbar events */
			_unbindEvents:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					namespace=pluginPfx+"_"+d.idx,
					sb=".mCSB_"+d.idx+"_scrollbar",
					sel=$("#mCSB_"+d.idx+",#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,"+sb+" .mCSB_draggerContainer,#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal,"+sb+">a"),
					mCSB_container=$("#mCSB_"+d.idx+"_container");
				if(d.bindEvents){ /* check if events are bound */
					/* unbind namespaced events from document/selectors */
					$(document).unbind("."+namespace);
					sel.each(function(){
						$(this).unbind("."+namespace);
					});
					/* clear and delete timeouts/objects */
					clearTimeout($this[0]._focusTimeout); functions._delete.call(null,$this[0]._focusTimeout);
					clearTimeout(d.sequential.step); functions._delete.call(null,d.sequential.step);
					clearTimeout(mCSB_container[0].onCompleteTimeout); functions._delete.call(null,mCSB_container[0].onCompleteTimeout);
					d.bindEvents=false;
				}
			},
			/* -------------------- */
			
			
			/* toggles scrollbar visibility */
			_scrollbarVisibility:function(disabled){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					contentWrapper=$("#mCSB_"+d.idx+"_container_wrapper"),
					content=contentWrapper.length ? contentWrapper : $("#mCSB_"+d.idx+"_container"),
					scrollbar=[$("#mCSB_"+d.idx+"_scrollbar_vertical"),$("#mCSB_"+d.idx+"_scrollbar_horizontal")],
					mCSB_dragger=[scrollbar[0].find(".mCSB_dragger"),scrollbar[1].find(".mCSB_dragger")];
				if(o.axis!=="x"){
					if(d.overflowed[0] && !disabled){
						scrollbar[0].add(mCSB_dragger[0]).add(scrollbar[0].children("a")).css("display","block");
						content.removeClass("mCS_no_scrollbar_y mCS_y_hidden");
					}else{
						if(o.alwaysShowScrollbar){
							if(o.alwaysShowScrollbar!==2){mCSB_dragger[0].add(scrollbar[0].children("a")).css("display","none");}
							content.removeClass("mCS_y_hidden");
						}else{
							scrollbar[0].css("display","none");
							content.addClass("mCS_y_hidden");
						}
						content.addClass("mCS_no_scrollbar_y");
					}
				}
				if(o.axis!=="y"){
					if(d.overflowed[1] && !disabled){
						scrollbar[1].add(mCSB_dragger[1]).add(scrollbar[1].children("a")).css("display","block");
						content.removeClass("mCS_no_scrollbar_x mCS_x_hidden");
					}else{
						if(o.alwaysShowScrollbar){
							if(o.alwaysShowScrollbar!==2){mCSB_dragger[1].add(scrollbar[1].children("a")).css("display","none");}
							content.removeClass("mCS_x_hidden");
						}else{
							scrollbar[1].css("display","none");
							content.addClass("mCS_x_hidden");
						}
						content.addClass("mCS_no_scrollbar_x");
					}
				}
				if(!d.overflowed[0] && !d.overflowed[1]){
					$this.addClass("mCS_no_scrollbar");
				}else{
					$this.removeClass("mCS_no_scrollbar");
				}
			},
			/* -------------------- */
			
			
			/* returns input coordinates of pointer, touch and mouse events (relative to document) */
			_coordinates:function(e){
				var t=e.type;
				switch(t){
					case "pointerdown": case "MSPointerDown": case "pointermove": case "MSPointerMove": case "pointerup": case "MSPointerUp":
						return [e.originalEvent.pageY,e.originalEvent.pageX];
						break;
					case "touchstart": case "touchmove": case "touchend":
						var touch=e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
						return [touch.pageY,touch.pageX];
						break;
					default:
						return [e.pageY,e.pageX];
				}
			},
			/* -------------------- */
			
			
			/* 
			SCROLLBAR DRAG EVENTS
			scrolls content via scrollbar dragging 
			*/
			_draggable:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					namespace=pluginPfx+"_"+d.idx,
					draggerId=["mCSB_"+d.idx+"_dragger_vertical","mCSB_"+d.idx+"_dragger_horizontal"],
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					mCSB_dragger=$("#"+draggerId[0]+",#"+draggerId[1]),
					draggable,dragY,dragX;
				mCSB_dragger.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
					e.stopImmediatePropagation();
					e.preventDefault();
					if(!functions._mouseBtnLeft(e)){return;} /* left mouse button only */
					touchActive=true;
					if(oldIE){document.onselectstart=function(){return false;}} /* disable text selection for IE < 9 */
					_iframe(false); /* enable scrollbar dragging over iframes by disabling their events */
					functions._stop($this);
					draggable=$(this);
					var offset=draggable.offset(),y=functions._coordinates(e)[0]-offset.top,x=functions._coordinates(e)[1]-offset.left,
						h=draggable.height()+offset.top,w=draggable.width()+offset.left;
					if(y<h && y>0 && x<w && x>0){
						dragY=y; 
						dragX=x;
					}
					functions._onDragClasses(draggable,"active",o.autoExpandScrollbar); 
				}).bind("touchmove."+namespace,function(e){
					e.stopImmediatePropagation();
					e.preventDefault();
					var offset=draggable.offset(),y=functions._coordinates(e)[0]-offset.top,x=functions._coordinates(e)[1]-offset.left;
					_drag(dragY,dragX,y,x);
				});
				$(document).bind("mousemove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace,function(e){
					if(draggable){
						var offset=draggable.offset(),y=functions._coordinates(e)[0]-offset.top,x=functions._coordinates(e)[1]-offset.left;
						if(dragY===y){return;} /* has it really moved? */
						_drag(dragY,dragX,y,x);
					}
				}).add(mCSB_dragger).bind("mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){
					if(draggable){
						functions._onDragClasses(draggable,"active",o.autoExpandScrollbar); 
						draggable=null;
					}
					touchActive=false;
					if(oldIE){document.onselectstart=null;} /* enable text selection for IE < 9 */
					_iframe(true); /* enable iframes events */
				});
				function _iframe(evt){
					var el=mCSB_container.find("iframe");
					if(!el.length){return;} /* check if content contains iframes */
					var val=!evt ? "none" : "auto";
					el.css("pointer-events",val); /* for IE11, iframe's display property should not be "block" */
				}
				function _drag(dragY,dragX,y,x){
					mCSB_container[0].idleTimer=o.scrollInertia<233 ? 250 : 0;
					if(draggable.attr("id")===draggerId[1]){
						var dir="x",to=((draggable[0].offsetLeft-dragX)+x)*d.scrollRatio.x;
					}else{
						var dir="y",to=((draggable[0].offsetTop-dragY)+y)*d.scrollRatio.y;
					}
					functions._scrollTo($this,to.toString(),{dir:dir,drag:true});
				}
			},
			/* -------------------- */
			
			
			/* 
			TOUCH SWIPE EVENTS
			scrolls content via touch swipe 
			Emulates the native touch-swipe scrolling with momentum found in iOS, Android and WP devices 
			*/
			_contentDraggable:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					namespace=pluginPfx+"_"+d.idx,
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")],
					dragY,dragX,touchStartY,touchStartX,touchMoveY=[],touchMoveX=[],startTime,runningTime,endTime,distance,speed,amount,
					durA=0,durB,overwrite=o.axis==="yx" ? "none" : "all";
				mCSB_container.bind("touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
					if(!functions._pointerTouch(e) || touchActive){return;}
					var offset=mCSB_container.offset();
					dragY=functions._coordinates(e)[0]-offset.top;
					dragX=functions._coordinates(e)[1]-offset.left;
				}).bind("touchmove."+namespace+" pointermove."+namespace+" MSPointerMove."+namespace,function(e){
					if(!functions._pointerTouch(e) || touchActive){return;}
					e.stopImmediatePropagation();
					runningTime=functions._getTime();
					var offset=mCustomScrollBox.offset(),y=functions._coordinates(e)[0]-offset.top,x=functions._coordinates(e)[1]-offset.left,
						easing="mcsLinearOut";
					touchMoveY.push(y);
					touchMoveX.push(x);
					if(d.overflowed[0]){
						var limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(),
							prevent=((dragY-y)>0 && (y-dragY)>-(limit*d.scrollRatio.y));
					}
					if(d.overflowed[1]){
						var limitX=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(),
							preventX=((dragX-x)>0 && (x-dragX)>-(limitX*d.scrollRatio.x));
					}
					if(prevent || preventX){e.preventDefault();} /* prevent native document scrolling */
					amount=o.axis==="yx" ? [(dragY-y),(dragX-x)] : o.axis==="x" ? [null,(dragX-x)] : [(dragY-y),null];
					mCSB_container[0].idleTimer=250;
					if(d.overflowed[0]){_drag(amount[0],durA,easing,"y","all",true);}
					if(d.overflowed[1]){_drag(amount[1],durA,easing,"x",overwrite,true);}
				});
				mCustomScrollBox.bind("touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
					if(!functions._pointerTouch(e) || touchActive){return;}
					e.stopImmediatePropagation();
					functions._stop($this);
					startTime=functions._getTime();
					var offset=mCustomScrollBox.offset();
					touchStartY=functions._coordinates(e)[0]-offset.top;
					touchStartX=functions._coordinates(e)[1]-offset.left;
					touchMoveY=[]; touchMoveX=[];
				}).bind("touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){
					if(!functions._pointerTouch(e) || touchActive){return;}
					e.stopImmediatePropagation();
					endTime=functions._getTime();
					var offset=mCustomScrollBox.offset(),y=functions._coordinates(e)[0]-offset.top,x=functions._coordinates(e)[1]-offset.left;
					if((endTime-runningTime)>30){return;}
					speed=1000/(endTime-startTime);
					var easing="mcsEaseOut",slow=speed<2.5,
						diff=slow ? [touchMoveY[touchMoveY.length-2],touchMoveX[touchMoveX.length-2]] : [0,0];
					distance=slow ? [(y-diff[0]),(x-diff[1])] : [y-touchStartY,x-touchStartX];
					var absDistance=[Math.abs(distance[0]),Math.abs(distance[1])];
					speed=slow ? [Math.abs(distance[0]/4),Math.abs(distance[1]/4)] : [speed,speed];
					var a=[
						Math.abs(mCSB_container[0].offsetTop)-(distance[0]*_m((absDistance[0]/speed[0]),speed[0])),
						Math.abs(mCSB_container[0].offsetLeft)-(distance[1]*_m((absDistance[1]/speed[1]),speed[1]))
					];
					amount=o.axis==="yx" ? [a[0],a[1]] : o.axis==="x" ? [null,a[1]] : [a[0],null];
					durB=[(absDistance[0]*4)+o.scrollInertia,(absDistance[1]*4)+o.scrollInertia];
					var md=parseInt(o.contentTouchScroll) || 0; /* absolute minimum distance required */
					amount[0]=absDistance[0]>md ? amount[0] : 0;
					amount[1]=absDistance[1]>md ? amount[1] : 0;
					if(d.overflowed[0]){_drag(amount[0],durB[0],easing,"y",overwrite,false);}
					if(d.overflowed[1]){_drag(amount[1],durB[1],easing,"x",overwrite,false);}
				});
				function _m(ds,s){
					var r=[s*1.5,s*2,s/1.5,s/2];
					if(ds>90){
						return s>4 ? r[0] : r[3];
					}else if(ds>60){
						return s>3 ? r[3] : r[2];
					}else if(ds>30){
						return s>8 ? r[1] : s>6 ? r[0] : s>4 ? s : r[2];
					}else{
						return s>8 ? s : r[3];
					}
				}
				function _drag(amount,dur,easing,dir,overwrite,drag){
					if(!amount){return;}
					functions._scrollTo($this,amount.toString(),{dur:dur,scrollEasing:easing,dir:dir,overwrite:overwrite,drag:drag});
				}
			},
			/* -------------------- */
			
			
			/* 
			MOUSE WHEEL EVENT
			scrolls content via mouse-wheel 
			via mouse-wheel plugin (https://github.com/brandonaaron/jquery-mousewheel)
			*/
			_mousewheel:function(){
				var $this=$(this),d=$this.data(pluginPfx);
				if(d){ /* Check if the scrollbar is ready to use mousewheel events (issue: #185) */
					var o=d.opt,
						namespace=pluginPfx+"_"+d.idx,
						mCustomScrollBox=$("#mCSB_"+d.idx),
						mCSB_dragger=[$("#mCSB_"+d.idx+"_dragger_vertical"),$("#mCSB_"+d.idx+"_dragger_horizontal")];
					mCustomScrollBox.bind("mousewheel."+namespace,function(e,delta){
						functions._stop($this);
						if(functions._disableMousewheel($this,e.target)){return;} /* disables mouse-wheel when hovering specific elements */
						var deltaFactor=o.mouseWheel.deltaFactor!=="auto" ? parseInt(o.mouseWheel.deltaFactor) : (oldIE && e.deltaFactor<100) ? 100 : e.deltaFactor<40 ? 40 : e.deltaFactor || 100;
						if(o.axis==="x" || o.mouseWheel.axis==="x"){
							var dir="x",
								px=[Math.round(deltaFactor*d.scrollRatio.x),parseInt(o.mouseWheel.scrollAmount)],
								amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.width() ? mCustomScrollBox.width()*0.9 : px[0],
								contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetLeft),
								draggerPos=mCSB_dragger[1][0].offsetLeft,
								limit=mCSB_dragger[1].parent().width()-mCSB_dragger[1].width(),
								dlt=e.deltaX || e.deltaY || delta;
						}else{
							var dir="y",
								px=[Math.round(deltaFactor*d.scrollRatio.y),parseInt(o.mouseWheel.scrollAmount)],
								amount=o.mouseWheel.scrollAmount!=="auto" ? px[1] : px[0]>=mCustomScrollBox.height() ? mCustomScrollBox.height()*0.9 : px[0],
								contentPos=Math.abs($("#mCSB_"+d.idx+"_container")[0].offsetTop),
								draggerPos=mCSB_dragger[0][0].offsetTop,
								limit=mCSB_dragger[0].parent().height()-mCSB_dragger[0].height(),
								dlt=e.deltaY || delta;
						}
						if((dir==="y" && !d.overflowed[0]) || (dir==="x" && !d.overflowed[1])){return;}
						if(o.mouseWheel.invert){dlt=-dlt;}
						if(o.mouseWheel.normalizeDelta){dlt=dlt<0 ? -1 : 1;}
						if((dlt>0 && draggerPos!==0) || (dlt<0 && draggerPos!==limit) || o.mouseWheel.preventDefault){
							e.stopImmediatePropagation();
							e.preventDefault();
						}
						functions._scrollTo($this,(contentPos-(dlt*amount)).toString(),{dir:dir});
					});
				}
			},
			/* -------------------- */
			
			
			/* disables mouse-wheel when hovering specific elements like select, datalist etc. */
			_disableMousewheel:function(el,target){
				var tag=target.nodeName.toLowerCase(),
					tags=el.data(pluginPfx).opt.mouseWheel.disableOver,
					/* elements that require focus */
					focusTags=["select","textarea"];
				return $.inArray(tag,tags) > -1 && !($.inArray(tag,focusTags) > -1 && !$(target).is(":focus"));
			},
			/* -------------------- */
			
			
			/* 
			DRAGGER RAIL CLICK EVENT
			scrolls content via dragger rail 
			*/
			_draggerRail:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					namespace=pluginPfx+"_"+d.idx,
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					wrapper=mCSB_container.parent(),
					mCSB_draggerContainer=$(".mCSB_"+d.idx+"_scrollbar .mCSB_draggerContainer");
				mCSB_draggerContainer.bind("touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace,function(e){
					touchActive=true;
				}).bind("touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace,function(e){
					touchActive=false;
				}).bind("click."+namespace,function(e){
					if($(e.target).hasClass("mCSB_draggerContainer") || $(e.target).hasClass("mCSB_draggerRail")){
						functions._stop($this);
						var el=$(this),mCSB_dragger=el.find(".mCSB_dragger");
						if(el.parent(".mCSB_scrollTools_horizontal").length>0){
							if(!d.overflowed[1]){return;}
							var dir="x",
								clickDir=e.pageX>mCSB_dragger.offset().left ? -1 : 1,
								to=Math.abs(mCSB_container[0].offsetLeft)-(clickDir*(wrapper.width()*0.9));
						}else{
							if(!d.overflowed[0]){return;}
							var dir="y",
								clickDir=e.pageY>mCSB_dragger.offset().top ? -1 : 1,
								to=Math.abs(mCSB_container[0].offsetTop)-(clickDir*(wrapper.height()*0.9));
						}
						functions._scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
					}
				});
			},
			/* -------------------- */
			
			
			/* 
			FOCUS EVENT
			scrolls content via element focus (e.g. clicking an input, pressing TAB key etc.)
			*/
			_focus:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					namespace=pluginPfx+"_"+d.idx,
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					wrapper=mCSB_container.parent();
				mCSB_container.bind("focusin."+namespace,function(e){
					var el=$(document.activeElement),
						nested=mCSB_container.find(".mCustomScrollBox").length,
						dur=0;
					if(!el.is(o.advanced.autoScrollOnFocus)){return;}
					functions._stop($this);
					clearTimeout($this[0]._focusTimeout);
					$this[0]._focusTimer=nested ? (dur+17)*nested : 0;
					$this[0]._focusTimeout=setTimeout(function(){
						var	to=[el.offset().top-mCSB_container.offset().top,el.offset().left-mCSB_container.offset().left],
							contentPos=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft],
							isVisible=[
								(contentPos[0]+to[0]>=0 && contentPos[0]+to[0]<wrapper.height()-el.outerHeight(false)),
								(contentPos[1]+to[1]>=0 && contentPos[0]+to[1]<wrapper.width()-el.outerWidth(false))
							],
							overwrite=(o.axis==="yx" && !isVisible[0] && !isVisible[1]) ? "none" : "all";
						if(o.axis!=="x" && !isVisible[0]){
							functions._scrollTo($this,to[0].toString(),{dir:"y",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur});
						}
						if(o.axis!=="y" && !isVisible[1]){
							functions._scrollTo($this,to[1].toString(),{dir:"x",scrollEasing:"mcsEaseInOut",overwrite:overwrite,dur:dur});
						}
					},$this[0]._focusTimer);
				});
			},
			/* -------------------- */
			
			
			/* sets content wrapper scrollTop/scrollLeft always to 0 */
			_wrapperScroll:function(){
				var $this=$(this),d=$this.data(pluginPfx),
					namespace=pluginPfx+"_"+d.idx,
					wrapper=$("#mCSB_"+d.idx+"_container").parent();
				wrapper.bind("scroll."+namespace,function(e){
					wrapper.scrollTop(0).scrollLeft(0);
				});
			},
			/* -------------------- */
			
			
			/* 
			BUTTONS EVENTS
			scrolls content via up, down, left and right buttons 
			*/
			_buttons:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential,
					namespace=pluginPfx+"_"+d.idx,
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					sel=".mCSB_"+d.idx+"_scrollbar",
					btn=$(sel+">a");
				btn.bind("mousedown."+namespace+" touchstart."+namespace+" pointerdown."+namespace+" MSPointerDown."+namespace+" mouseup."+namespace+" touchend."+namespace+" pointerup."+namespace+" MSPointerUp."+namespace+" mouseout."+namespace+" pointerout."+namespace+" MSPointerOut."+namespace+" click."+namespace,function(e){
					e.preventDefault();
					if(!functions._mouseBtnLeft(e)){return;} /* left mouse button only */
					var btnClass=$(this).attr("class");
					seq.type=o.scrollButtons.scrollType;
					switch(e.type){
						case "mousedown": case "touchstart": case "pointerdown": case "MSPointerDown":
							if(seq.type==="stepped"){return;}
							touchActive=true;
							d.tweenRunning=false;
							_seq("on",btnClass);
							break;
						case "mouseup": case "touchend": case "pointerup": case "MSPointerUp":
						case "mouseout": case "pointerout": case "MSPointerOut":
							if(seq.type==="stepped"){return;}
							touchActive=false;
							if(seq.dir){_seq("off",btnClass);}
							break;
						case "click":
							if(seq.type!=="stepped" || d.tweenRunning){return;}
							_seq("on",btnClass);
							break;
					}
					function _seq(a,c){
						seq.scrollAmount=o.snapAmount || o.scrollButtons.scrollAmount;
						functions._sequentialScroll.call(this,$this,a,c);
					}
				});
			},
			/* -------------------- */
			
			
			/* 
			KEYBOARD EVENTS
			scrolls content via keyboard 
			Keys: up arrow, down arrow, left arrow, right arrow, PgUp, PgDn, Home, End
			*/
			_keyboard:function(){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,seq=d.sequential,
					namespace=pluginPfx+"_"+d.idx,
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					wrapper=mCSB_container.parent(),
					editables="input,textarea,select,datalist,keygen,[contenteditable='true']";
				mCustomScrollBox.attr("tabindex","0").bind("blur."+namespace+" keydown."+namespace+" keyup."+namespace,function(e){
					switch(e.type){
						case "blur":
							if(d.tweenRunning && seq.dir){_seq("off",null);}
							break;
						case "keydown": case "keyup":
							var code=e.keyCode ? e.keyCode : e.which,action="on";
							if((o.axis!=="x" && (code===38 || code===40)) || (o.axis!=="y" && (code===37 || code===39))){
								/* up (38), down (40), left (37), right (39) arrows */
								if(((code===38 || code===40) && !d.overflowed[0]) || ((code===37 || code===39) && !d.overflowed[1])){return;}
								if(e.type==="keyup"){action="off";}
								if(!$(document.activeElement).is(editables)){
									e.preventDefault();
									e.stopImmediatePropagation();
									_seq(action,code);
								}
							}else if(code===33 || code===34){
								/* PgUp (33), PgDn (34) */
								if(d.overflowed[0] || d.overflowed[1]){
									e.preventDefault();
									e.stopImmediatePropagation();
								}
								if(e.type==="keyup"){
									functions._stop($this);
									var keyboardDir=code===34 ? -1 : 1;
									if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){
										var dir="x",to=Math.abs(mCSB_container[0].offsetLeft)-(keyboardDir*(wrapper.width()*0.9));
									}else{
										var dir="y",to=Math.abs(mCSB_container[0].offsetTop)-(keyboardDir*(wrapper.height()*0.9));
									}
									functions._scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
								}
							}else if(code===35 || code===36){
								/* End (35), Home (36) */
								if(!$(document.activeElement).is(editables)){
									if(d.overflowed[0] || d.overflowed[1]){
										e.preventDefault();
										e.stopImmediatePropagation();
									}
									if(e.type==="keyup"){
										if(o.axis==="x" || (o.axis==="yx" && d.overflowed[1] && !d.overflowed[0])){
											var dir="x",to=code===35 ? Math.abs(wrapper.width()-mCSB_container.outerWidth(false)) : 0;
										}else{
											var dir="y",to=code===35 ? Math.abs(wrapper.height()-mCSB_container.outerHeight(false)) : 0;
										}
										functions._scrollTo($this,to.toString(),{dir:dir,scrollEasing:"mcsEaseInOut"});
									}
								}
							}
							break;
					}
					function _seq(a,c){
						seq.type=o.keyboard.scrollType;
						seq.scrollAmount=o.snapAmount || o.keyboard.scrollAmount;
						if(seq.type==="stepped" && d.tweenRunning){return;}
						functions._sequentialScroll.call(this,$this,a,c);
					}
				});
			},
			/* -------------------- */
			
			
			/* scrolls content sequentially (used when scrolling via buttons, keyboard arrows etc.) */
			_sequentialScroll:function(el,action,trigger){
				var d=el.data(pluginPfx),o=d.opt,seq=d.sequential,
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					once=seq.type==="stepped" ? true : false;
				switch(action){
					case "on":
						seq.dir=[
							(trigger==="mCSB_buttonRight" || trigger==="mCSB_buttonLeft" || trigger===39 || trigger===37 ? "x" : "y"),
							(trigger==="mCSB_buttonUp" || trigger==="mCSB_buttonLeft" || trigger===38 || trigger===37 ? -1 : 1)
						];
						functions._stop(el);
						if(functions._isNumeric(trigger) && seq.type==="stepped"){return;}
						_start(once);
						break;
					case "off":
						_stop();
						if(once || (d.tweenRunning && seq.dir)){
							_start(true);
						}
						break;
				}
				/* starts sequence */
				function _start(once){
					var c=seq.type!=="stepped", /* continuous scrolling */
						t=!once ? 1000/60 : c ? o.scrollInertia/1.5 : o.scrollInertia, /* timer */
						m=!once ? 2.5 : c ? 7.5 : 40, /* multiplier */
						contentPos=[Math.abs(mCSB_container[0].offsetTop),Math.abs(mCSB_container[0].offsetLeft)],
						ratio=[d.scrollRatio.y>10 ? 10 : d.scrollRatio.y,d.scrollRatio.x>10 ? 10 : d.scrollRatio.x],
						amount=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*(ratio[1]*m)) : contentPos[0]+(seq.dir[1]*(ratio[0]*m)),
						px=seq.dir[0]==="x" ? contentPos[1]+(seq.dir[1]*parseInt(seq.scrollAmount)) : contentPos[0]+(seq.dir[1]*parseInt(seq.scrollAmount)),
						to=seq.scrollAmount!=="auto" ? px : amount,
						easing=!once ? "mcsLinear" : c ? "mcsLinearOut" : "mcsEaseInOut",
						onComplete=!once ? false : true;
					if(once && t<17){
						to=seq.dir[0]==="x" ? contentPos[1] : contentPos[0];
					}
					functions._scrollTo(el,to.toString(),{dir:seq.dir[0],scrollEasing:easing,dur:t,onComplete:onComplete});
					if(once){
						seq.dir=false;
						return;
					}
					clearTimeout(seq.step);
					seq.step=setTimeout(function(){
						_start();
					},t);
				}
				/* stops sequence */
				function _stop(){
					clearTimeout(seq.step);
					functions._stop(el);
				}
			},
			/* -------------------- */
			
			
			/* returns a yx array from value */
			_arr:function(val){
				var o=$(this).data(pluginPfx).opt,vals=[];
				if(typeof val==="function"){val=val();} /* check if the value is a single anonymous function */
				/* check if value is object or array, its length and create an array with yx values */
				if(!(val instanceof Array)){ /* object value (e.g. {y:"100",x:"100"}, 100 etc.) */
					vals[0]=val.y ? val.y : val.x || o.axis==="x" ? null : val;
					vals[1]=val.x ? val.x : val.y || o.axis==="y" ? null : val;
				}else{ /* array value (e.g. [100,100]) */
					vals=val.length>1 ? [val[0],val[1]] : o.axis==="x" ? [null,val[0]] : [val[0],null];
				}
				/* check if array values are anonymous functions */
				if(typeof vals[0]==="function"){vals[0]=vals[0]();}
				if(typeof vals[1]==="function"){vals[1]=vals[1]();}
				return vals;
			},
			/* -------------------- */
			
			
			/* translates values (e.g. "top", 100, "100px", "#id") to actual scroll-to positions */
			_to:function(val,dir){
				if(val==null || typeof val=="undefined"){return;}
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					wrapper=mCSB_container.parent(),
					t=typeof val;
				if(!dir){dir=o.axis==="x" ? "x" : "y";}
				var contentLength=dir==="x" ? mCSB_container.outerWidth(false) : mCSB_container.outerHeight(false),
					contentOffset=dir==="x" ? mCSB_container.offset().left : mCSB_container.offset().top,
					contentPos=dir==="x" ? mCSB_container[0].offsetLeft : mCSB_container[0].offsetTop,
					cssProp=dir==="x" ? "left" : "top";
				switch(t){
					case "function": /* this currently is not used. Consider removing it */
						return val();
						break;
					case "object":
						if(val.nodeType){ /* DOM */
							var objOffset=dir==="x" ? $(val).offset().left : $(val).offset().top;
						}else if(val.jquery){ /* jquery object */
							if(!val.length){return;}
							var objOffset=dir==="x" ? val.offset().left : val.offset().top;
						}
						return objOffset-contentOffset;
						break;
					case "string": case "number":
						if(functions._isNumeric.call(null,val)){ /* numeric value */
							return Math.abs(val);
						}else if(val.indexOf("%")!==-1){ /* percentage value */
							return Math.abs(contentLength*parseInt(val)/100);
						}else if(val.indexOf("-=")!==-1){ /* decrease value */
							return Math.abs(contentPos-parseInt(val.split("-=")[1]));
						}else if(val.indexOf("+=")!==-1){ /* inrease value */
							var p=(contentPos+parseInt(val.split("+=")[1]));
							return p>=0 ? 0 : Math.abs(p);
						}else if(val.indexOf("px")!==-1 && functions._isNumeric.call(null,val.split("px")[0])){ /* pixels string value (e.g. "100px") */
							return Math.abs(val.split("px")[0]);
						}else{
							if(val==="top" || val==="left"){ /* special strings */
								return 0;
							}else if(val==="bottom"){
								return Math.abs(wrapper.height()-mCSB_container.outerHeight(false));
							}else if(val==="right"){
								return Math.abs(wrapper.width()-mCSB_container.outerWidth(false));
							}else if(val==="first" || val==="last"){
								var obj=mCSB_container.find(":"+val),
									objOffset=dir==="x" ? $(obj).offset().left : $(obj).offset().top;
								return objOffset-contentOffset;
							}else{
								if($(val).length){ /* jquery selector */
									var objOffset=dir==="x" ? $(val).offset().left : $(val).offset().top;
									return objOffset-contentOffset;
								}else{ /* other values (e.g. "100em") */
									mCSB_container.css(cssProp,val);
									methods.update.call(null,$this[0]);
									return;
								}
							}
						}
						break;
				}
			},
			/* -------------------- */
			
			
			/* calls the update method automatically */
			_autoUpdate:function(rem){
				var $this=$(this),d=$this.data(pluginPfx),o=d.opt,
					mCSB_container=$("#mCSB_"+d.idx+"_container");
				if(rem){
					/* 
					removes autoUpdate timer 
					usage: functions._autoUpdate.call(this,"remove");
					*/
					clearTimeout(mCSB_container[0].autoUpdate);
					functions._delete.call(null,mCSB_container[0].autoUpdate);
					return;
				}
				var	wrapper=mCSB_container.parent(),
					scrollbar=[$("#mCSB_"+d.idx+"_scrollbar_vertical"),$("#mCSB_"+d.idx+"_scrollbar_horizontal")],
					scrollbarSize=function(){return [
						scrollbar[0].is(":visible") ? scrollbar[0].outerHeight(true) : 0, /* returns y-scrollbar height */
						scrollbar[1].is(":visible") ? scrollbar[1].outerWidth(true) : 0 /* returns x-scrollbar width */
					]},
					oldSelSize=sizesSum(),newSelSize,
					os=[mCSB_container.outerHeight(false),mCSB_container.outerWidth(false),wrapper.height(),wrapper.width(),scrollbarSize()[0],scrollbarSize()[1]],ns,
					oldImgsLen=imgSum(),newImgsLen;
				upd();
				function upd(){
					clearTimeout(mCSB_container[0].autoUpdate);
					mCSB_container[0].autoUpdate=setTimeout(function(){
						/* update on specific selector(s) length and size change */
						if(o.advanced.updateOnSelectorChange){
							newSelSize=sizesSum();
							if(newSelSize!==oldSelSize){
								doUpd();
								oldSelSize=newSelSize;
								return;
							}
						}
						/* update on main element and scrollbar size changes */
						if(o.advanced.updateOnContentResize){
							ns=[mCSB_container.outerHeight(false),mCSB_container.outerWidth(false),wrapper.height(),wrapper.width(),scrollbarSize()[0],scrollbarSize()[1]];
							if(ns[0]!==os[0] || ns[1]!==os[1] || ns[2]!==os[2] || ns[3]!==os[3] || ns[4]!==os[4] || ns[5]!==os[5]){
								doUpd();
								os=ns;
							}
						}
						/* update on image load */
						if(o.advanced.updateOnImageLoad){
							newImgsLen=imgSum();
							if(newImgsLen!==oldImgsLen){
								mCSB_container.find("img").each(function(){
									imgLoader(this.src);
								});
								oldImgsLen=newImgsLen;
							}
						}
						if(o.advanced.updateOnSelectorChange || o.advanced.updateOnContentResize || o.advanced.updateOnImageLoad){upd();}
					},60);
				}
				/* returns images amount */
				function imgSum(){
					var total=0
					if(o.advanced.updateOnImageLoad){total=mCSB_container.find("img").length;}
					return total;
				}
				/* a tiny image loader */
				function imgLoader(src){
					var img=new Image();
					function createDelegate(contextObject,delegateMethod){
						return function(){return delegateMethod.apply(contextObject,arguments);}
					}
					function imgOnLoad(){
						this.onload=null;
						doUpd();
					}
					img.onload=createDelegate(img,imgOnLoad);
					img.src=src;
				}
				/* returns the total height and width sum of all elements matching the selector */
				function sizesSum(){
					if(o.advanced.updateOnSelectorChange===true){o.advanced.updateOnSelectorChange="*";}
					var total=0,sel=mCSB_container.find(o.advanced.updateOnSelectorChange);
					if(o.advanced.updateOnSelectorChange && sel.length>0){sel.each(function(){total+=$(this).height()+$(this).width();});}
					return total;
				}
				/* calls the update method */
				function doUpd(){
					clearTimeout(mCSB_container[0].autoUpdate); 
					methods.update.call(null,$this[0]);
				}
			},
			/* -------------------- */
			
			
			/* snaps scrolling to a multiple of a pixels number */
			_snapAmount:function(to,amount,offset){
				return (Math.round(to/amount)*amount-offset); 
			},
			/* -------------------- */
			
			
			/* stops content and scrollbar animations */
			_stop:function(el){
				var d=el.data(pluginPfx),
					sel=$("#mCSB_"+d.idx+"_container,#mCSB_"+d.idx+"_container_wrapper,#mCSB_"+d.idx+"_dragger_vertical,#mCSB_"+d.idx+"_dragger_horizontal");
				sel.each(function(){
					functions._stopTween.call(this);
				});
			},
			/* -------------------- */
			
			
			/* 
			ANIMATES CONTENT 
			This is where the actual scrolling happens
			*/
			_scrollTo:function(el,to,options){
				var d=el.data(pluginPfx),o=d.opt,
					defaults={
						trigger:"internal",
						dir:"y",
						scrollEasing:"mcsEaseOut",
						drag:false,
						dur:o.scrollInertia,
						overwrite:"all",
						callbacks:true,
						onStart:true,
						onUpdate:true,
						onComplete:true
					},
					options=$.extend(defaults,options),
					dur=[options.dur,(options.drag ? 0 : options.dur)],
					mCustomScrollBox=$("#mCSB_"+d.idx),
					mCSB_container=$("#mCSB_"+d.idx+"_container"),
					totalScrollOffsets=o.callbacks.onTotalScrollOffset ? functions._arr.call(el,o.callbacks.onTotalScrollOffset) : [0,0],
					totalScrollBackOffsets=o.callbacks.onTotalScrollBackOffset ? functions._arr.call(el,o.callbacks.onTotalScrollBackOffset) : [0,0];
				d.trigger=options.trigger;
				if(o.snapAmount){to=functions._snapAmount(to,o.snapAmount,o.snapOffset);} /* scrolling snapping */
				switch(options.dir){
					case "x":
						var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_horizontal"),
							property="left",
							contentPos=mCSB_container[0].offsetLeft,
							limit=[
								mCustomScrollBox.width()-mCSB_container.outerWidth(false),
								mCSB_dragger.parent().width()-mCSB_dragger.width()
							],
							scrollTo=[to,(to/d.scrollRatio.x)],
							tso=totalScrollOffsets[1],
							tsbo=totalScrollBackOffsets[1],
							totalScrollOffset=tso>0 ? tso/d.scrollRatio.x : 0,
							totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.x : 0;
						break;
					case "y":
						var mCSB_dragger=$("#mCSB_"+d.idx+"_dragger_vertical"),
							property="top",
							contentPos=mCSB_container[0].offsetTop,
							limit=[
								mCustomScrollBox.height()-mCSB_container.outerHeight(false),
								mCSB_dragger.parent().height()-mCSB_dragger.height()
							],
							scrollTo=[to,(to/d.scrollRatio.y)],
							tso=totalScrollOffsets[0],
							tsbo=totalScrollBackOffsets[0],
							totalScrollOffset=tso>0 ? tso/d.scrollRatio.y : 0,
							totalScrollBackOffset=tsbo>0 ? tsbo/d.scrollRatio.y : 0;
						break;
				}
				if(scrollTo[1]<0){
					scrollTo=[0,0];
				}else if(scrollTo[1]>=limit[1]){
					scrollTo=[limit[0],limit[1]];
				}else{
					scrollTo[0]=-scrollTo[0];
				}
				clearTimeout(mCSB_container[0].onCompleteTimeout);
				if(!d.tweenRunning && ((contentPos===0 && scrollTo[0]>=0) || (contentPos===limit[0] && scrollTo[0]<=limit[0]))){return;}
				functions._tweenTo.call(null,mCSB_dragger[0],property,Math.round(scrollTo[1]),dur[1],options.scrollEasing);
				functions._tweenTo.call(null,mCSB_container[0],property,Math.round(scrollTo[0]),dur[0],options.scrollEasing,options.overwrite,{
					onStart:function(){
						if(options.callbacks && options.onStart && !d.tweenRunning){
							/* callbacks: onScrollStart */
							if(_cb("onScrollStart")){_mcs(); o.callbacks.onScrollStart.call(el[0]);}
							d.tweenRunning=true;
							functions._onDragClasses(mCSB_dragger);
							d.cbOffsets=_cbOffsets();
						}
					},onUpdate:function(){
						if(options.callbacks && options.onUpdate){
							/* callbacks: whileScrolling */
							if(_cb("whileScrolling")){_mcs(); o.callbacks.whileScrolling.call(el[0]);}
						}
					},onComplete:function(){
						if(options.callbacks && options.onComplete){
							if(o.axis==="yx"){clearTimeout(mCSB_container[0].onCompleteTimeout);}
							var t=mCSB_container[0].idleTimer || 0;
							mCSB_container[0].onCompleteTimeout=setTimeout(function(){
								/* callbacks: onScroll, onTotalScroll, onTotalScrollBack */
								if(_cb("onScroll")){_mcs(); o.callbacks.onScroll.call(el[0]);}
								if(_cb("onTotalScroll") && scrollTo[1]>=limit[1]-totalScrollOffset && d.cbOffsets[0]){_mcs(); o.callbacks.onTotalScroll.call(el[0]);}
								if(_cb("onTotalScrollBack") && scrollTo[1]<=totalScrollBackOffset && d.cbOffsets[1]){_mcs(); o.callbacks.onTotalScrollBack.call(el[0]);}
								d.tweenRunning=false;
								mCSB_container[0].idleTimer=0;
								functions._onDragClasses(mCSB_dragger,"hide");
							},t);
						}
					}
				});
				/* checks if callback function exists */
				function _cb(cb){
					return d && o.callbacks[cb] && typeof o.callbacks[cb]==="function";
				}
				/* checks whether callback offsets always trigger */
				function _cbOffsets(){
					return [o.callbacks.alwaysTriggerOffsets || contentPos>=limit[0]+tso,o.callbacks.alwaysTriggerOffsets || contentPos<=-tsbo];
				}
				/* 
				populates object with useful values for the user 
				values: 
					content: this.mcs.content
					content top position: this.mcs.top 
					content left position: this.mcs.left 
					dragger top position: this.mcs.draggerTop 
					dragger left position: this.mcs.draggerLeft 
					scrolling y percentage: this.mcs.topPct 
					scrolling x percentage: this.mcs.leftPct 
					scrolling direction: this.mcs.direction
				*/
				function _mcs(){
					var cp=[mCSB_container[0].offsetTop,mCSB_container[0].offsetLeft], /* content position */
						dp=[mCSB_dragger[0].offsetTop,mCSB_dragger[0].offsetLeft], /* dragger position */
						cl=[mCSB_container.outerHeight(false),mCSB_container.outerWidth(false)], /* content length */
						pl=[mCustomScrollBox.height(),mCustomScrollBox.width()]; /* content parent length */
					el[0].mcs={
						content:mCSB_container, /* original content wrapper as jquery object */
						top:cp[0],left:cp[1],draggerTop:dp[0],draggerLeft:dp[1],
						topPct:Math.round((100*Math.abs(cp[0]))/(Math.abs(cl[0])-pl[0])),leftPct:Math.round((100*Math.abs(cp[1]))/(Math.abs(cl[1])-pl[1])),
						direction:options.dir
					};
					/* 
					this refers to the original element containing the scrollbar(s)
					usage: this.mcs.top, this.mcs.leftPct etc. 
					*/
				}
			},
			/* -------------------- */
			
			
			/* 
			CUSTOM JAVASCRIPT ANIMATION TWEEN 
			Lighter and faster than jquery animate() and css transitions 
			Animates top/left properties and includes easings 
			*/
			_tweenTo:function(el,prop,to,duration,easing,overwrite,callbacks){
				var callbacks=callbacks || {},
					onStart=callbacks.onStart || function(){},onUpdate=callbacks.onUpdate || function(){},onComplete=callbacks.onComplete || function(){},
					startTime=functions._getTime(),_delay,progress=0,from=el.offsetTop,elStyle=el.style;
				if(prop==="left"){from=el.offsetLeft;}
				var diff=to-from;
				el._mcsstop=0;
				if(overwrite!=="none"){_cancelTween();}
				_startTween();
				function _step(){
					if(el._mcsstop){return;}
					if(!progress){onStart.call();}
					progress=functions._getTime()-startTime;
					_tween();
					if(progress>=el._mcstime){
						el._mcstime=(progress>el._mcstime) ? progress+_delay-(progress- el._mcstime) : progress+_delay-1;
						if(el._mcstime<progress+1){el._mcstime=progress+1;}
					}
					if(el._mcstime<duration){el._mcsid=_request(_step);}else{onComplete.call();}
				}
				function _tween(){
					if(duration>0){
						el._mcscurrVal=_ease(el._mcstime,from,diff,duration,easing);
						elStyle[prop]=Math.round(el._mcscurrVal)+"px";
					}else{
						elStyle[prop]=to+"px";
					}
					onUpdate.call();
				}
				function _startTween(){
					_delay=1000/60;
					el._mcstime=progress+_delay;
					_request=(!window.requestAnimationFrame) ? function(f){_tween(); return setTimeout(f,0.01);} : window.requestAnimationFrame;
					el._mcsid=_request(_step);
				}
				function _cancelTween(){
					if(el._mcsid==null){return;}
					if(!window.requestAnimationFrame){clearTimeout(el._mcsid);
					}else{window.cancelAnimationFrame(el._mcsid);}
					el._mcsid=null;
				}
				function _ease(t,b,c,d,type){
					switch(type){
						case "linear": case "mcsLinear":
							return c*t/d + b;
							break;
						case "mcsLinearOut":
							t/=d; t--; return c * Math.sqrt(1 - t*t) + b;
							break;
						case "easeInOutSmooth":
							t/=d/2;
							if(t<1) return c/2*t*t + b;
							t--;
							return -c/2 * (t*(t-2) - 1) + b;
							break;
						case "easeInOutStrong":
							t/=d/2;
							if(t<1) return c/2 * Math.pow( 2, 10 * (t - 1) ) + b;
							t--;
							return c/2 * ( -Math.pow( 2, -10 * t) + 2 ) + b;
							break;
						case "easeInOut": case "mcsEaseInOut":
							t/=d/2;
							if(t<1) return c/2*t*t*t + b;
							t-=2;
							return c/2*(t*t*t + 2) + b;
							break;
						case "easeOutSmooth":
							t/=d; t--;
							return -c * (t*t*t*t - 1) + b;
							break;
						case "easeOutStrong":
							return c * ( -Math.pow( 2, -10 * t/d ) + 1 ) + b;
							break;
						case "easeOut": case "mcsEaseOut": default:
							var ts=(t/=d)*t,tc=ts*t;
							return b+c*(0.499999999999997*tc*ts + -2.5*ts*ts + 5.5*tc + -6.5*ts + 4*t);
					}
				}
			},
			/* -------------------- */
			
			
			/* returns current time */
			_getTime:function(){
				if(window.performance && window.performance.now){
					return window.performance.now();
				}else{
					if(window.performance && window.performance.webkitNow){
						return window.performance.webkitNow();
					}else{
						if(Date.now){return Date.now();}else{return new Date().getTime();}
					}
				}
			},
			/* -------------------- */
			
			
			/* stops a tween */
			_stopTween:function(){
				var el=this;
				if(el._mcsid==null){return;}
				if(!window.requestAnimationFrame){clearTimeout(el._mcsid);
				}else{window.cancelAnimationFrame(el._mcsid);}
				el._mcsid=null;
				el._mcsstop=1;
			},
			/* -------------------- */
			
			
			/* deletes a property (avoiding the exception thrown by IE) */
			_delete:function(p){
				try{delete p;}catch(e){p=null;}
			},
			/* -------------------- */
			
			
			/* detects left mouse button */
			_mouseBtnLeft:function(e){
				return !(e.which && e.which!==1);
			},
			/* -------------------- */
			
			
			/* detects if pointer type event is touch */
			_pointerTouch:function(e){
				var t=e.originalEvent.pointerType;
				return !(t && t!=="touch" && t!==2);
			},
			/* -------------------- */
			
			
			/* checks if value is numeric */
			_isNumeric:function(val){
				return !isNaN(parseFloat(val)) && isFinite(val);
			}
			/* -------------------- */
			
		};
		
	
	
	
	
	/* 
	----------------------------------------
	PLUGIN SETUP 
	----------------------------------------
	*/
	
	/* plugin constructor functions */
	$.fn[pluginNS]=function(method){ /* usage: $(selector).mCustomScrollbar(); */
		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");
		}
	};
	$[pluginNS]=function(method){ /* usage: $.mCustomScrollbar(); */
		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");
		}
	};
	
	/* 
	allow setting plugin default options. 
	usage: $.mCustomScrollbar.defaults.scrollInertia=500; 
	to apply any changed default options on default selectors (below), use inside document ready fn 
	e.g.: $(document).ready(function(){ $.mCustomScrollbar.defaults.scrollInertia=500; });
	*/
	$[pluginNS].defaults=defaults;
	
	/* 
	add window object (window.mCustomScrollbar) 
	usage: if(window.mCustomScrollbar){console.log("custom scrollbar plugin loaded");}
	*/
	window[pluginNS]=true;
	
	$(window).on('load', function(){
		$(defaultSelector)[pluginNS](); /* add scrollbars automatically on default selector */
	});

}))}(window,document));

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