Orbit-1.2.3 Slider setup

Orbit-1.2.3-setup.js

// ==============
// ! SETUP   
// ==============
        
            //Global Variables
            var activeSlide = 0,
              numberSlides = 0,
            	orbitWidth,
            	orbitHeight,
            	locked;
            
            //Initialize
            var orbit = $(this).addClass('orbit'),         
            	orbitWrapper = orbit.wrap('<div class="orbit-wrapper" />').parent();
            orbit.add(orbitWidth).width('1px').height('1px'); 
	    	            
            //Collect all slides and set slider size of largest image
            var slides = orbit.children('img, a, div');
            slides.each(function() {
                var _slide = $(this),
                	_slideWidth = _slide.width(),
                	_slideHeight = _slide.height();
                if(_slideWidth > orbit.width()) {
	                orbit.add(orbitWrapper).width(_slideWidth);
	                orbitWidth = orbit.width();	       			
	            }
	            if(_slideHeight > orbit.height()) {
	                orbit.add(orbitWrapper).height(_slideHeight);
	                orbitHeight = orbit.height();
				}
                numberSlides++;
            });
            
            //Animation locking functions
            function unlock() {
                locked = false;
            }
            function lock() { 
                locked = true;
            }
            
            //If there is only a single slide remove nav, timer and bullets
            if(slides.length == 1) {
            	options.directionalNav = false;
            	options.timer = false;
            	options.bullets = false;
            }
            
            //Set initial front photo z-index and fades it in
            slides.eq(activeSlide)
            	.css({"z-index" : 3})
            	.fadeIn(function() {
            		//brings in all other slides IF css declares a display: none
            		slides.css({"display":"block"})
            	});