(function($) {
	$.fn.multiGal = function(settings) {
		settings = jQuery.extend({
			imageBtnPrev:			'http://www.desolationue.com/wp-content/plugins/multi-gallery/images/slide.bg.left.png',
			imageBtnNext:			'http://www.desolationue.com/wp-content/plugins/multi-gallery/images/slide.bg.right.png',
			imageBtnPrevBlank:		'http://www.desolationue.com/wp-content/plugins/multi-gallery/images/slide.bg.left.blank.png',
			imageBtnNextBlank:		'http://www.desolationue.com/wp-content/plugins/multi-gallery/images/slide.bg.right.blank.png',
			containerResizeSpeed:	400,
			imageArray:				[],
			activeImage:			0
		},settings);
		
		_start(); // This, in this context, refer to object (link) which the user have clicked
		
		function _start() {
			// Unset total images in imageArray
			settings.imageArray.length = 0;
			// Check if this is the first image
			if(window.location.hash) {
            	settings.activeImage = Number(window.location.hash.substr(1));
            } else {
	            settings.activeImage = 0;
            }
			// We have an image set? Or just an image? Let´s see it.
			if(typeof(imageArray) != 'undefined') {
                // Add an Array (as many as we have), with href and title atributes, inside the Array that storage the images references
                for(var i = 0; i < imageArray.length; i++) {
                    settings.imageArray.push(new Array(imageArray[i][0],imageArray[i][1],imageArray[i][2],imageArray[i][3]));
                }
                // Call the function that prepares image exibition
                _set_image_to_view();
        	}
		}
		
		
		
		/**
		 * Prepares image exibition; doing a image´s preloader to calculate it´s size
		 */
		function _set_image_to_view() {
			// Show the loading
			$('#mg-loader').show();
			$('#mg-img').hide();
			
			// Image preload process
			var objImagePreloader = new Image();
			objImagePreloader.onload = function() {
            	if(objImagePreloader.width > objImagePreloader.height) {
                	$('#mg-img').attr('src', 'http://www.desolationue.com/wp-content/plugins/multi-gallery/php/timthumb.php?src=http://www.desolationue.com/' + settings.imageArray[settings.activeImage][1] + '/' + settings.imageArray[settings.activeImage][2] + '&w=535&zc=0');
                } else {
                	$('#mg-img').attr('src', 'http://www.desolationue.com/wp-content/plugins/multi-gallery/php/timthumb.php?src=http://www.desolationue.com/' + settings.imageArray[settings.activeImage][1] + '/' + settings.imageArray[settings.activeImage][2] + '&h=440&zc=0');
                }
                $('.zoom').attr('href', 'http://www.desolationue.com/' + settings.imageArray[settings.activeImage][1] + '/' + settings.imageArray[settings.activeImage][2]);
                // Add change comments on display
                $('#notebook h2').text(settings.imageArray[settings.activeImage][3]);
				// Perfomance an effect in the image container resizing it
				_resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
				//	clear onLoad, IE behaves irratically with animated gifs otherwise
				objImagePreloader.onload=function(){};
			};
			objImagePreloader.src = 'http://www.desolationue.com/wp-content/plugins/multi-gallery/php/timthumb.php?src=http://www.desolationue.com/' + settings.imageArray[settings.activeImage][1] + '/' + settings.imageArray[settings.activeImage][2] + '&w=535&zc=0';
		};
		
		
		
		/**
		 * Perfomance an effect in the image container resizing it
		 *
		 * @param integer intImageWidth The image's width that will be showed
		 * @param integer intImageHeight The image's height that will be showed
		 */
		function _resize_container_image_box(intImageWidth,intImageHeight) {
			// Get current width and height
			var intCurrentWidth = $('#mg-img-container').width();
			var intCurrentHeight = $('#mg-img-container').height();
            // If it's a vertical image, shrink the box
            if(intImageHeight > intImageWidth) {
                intImageWidth /= (intImageHeight / 440);
            	intImageHeight = 440;
            }
			// Get the width and height of the selected image plus the padding
			var intWidth = intImageWidth;
			var intHeight = intImageHeight;
			// Diferences
			var intDiffW = intCurrentWidth - intWidth;
			var intDiffH = intCurrentHeight - intHeight;
            // Set margins
            var margTop = (intHeight / 2) * -1;
            var margLeft = (intWidth / 2) * -1;
			// Perfomance the effect
            $('#gallery-image').animate({ marginTop: margTop, marginLeft: margLeft }, settings.containerResizeSpeed, function() {  });
            $('#frame-top').animate({ width: intWidth + 38 }, settings.containerResizeSpeed, function() {});
			$('#mg-img-container').animate({ width: intWidth, height: intHeight }, settings.containerResizeSpeed, function() { _show_image(); });
            
			if((intDiffW == 0) && (intDiffH == 0)) {
				if($.browser.msie) {
					___pause(250);
				} else {
					___pause(100);	
				}
			}
		};
		
		
		
		/**
		 * Show the prepared image
		 */
		function _show_image() {
			$('#mg-loader').hide();
			$('#mg-img').fadeIn(function() {
				_set_navigation();
			});
            _preload_neighbor_images();
		};
		
		
		
		/**
		 * Display the button navigations
		 */
		function _set_navigation() {
			// Show the prev button, if not the first image in set
			if(settings.activeImage != 0) {
                $('.arrow-prev').css({'background':'url(' + settings.imageBtnPrev + ') no-repeat center center', 'cursor':'pointer'})
                	.unbind()
                    .bind('click',function() {
                    	window.location.hash = settings.activeImage - 1;
                        settings.activeImage = settings.activeImage - 1;
                        _set_image_to_view();
                        return false;
                    });
			} else {
            	$('.arrow-prev').css({'background':'url(' + settings.imageBtnPrevBlank + ') no-repeat center center', 'cursor':'default'}).unbind();
            }
			
			// Show the next button, if not the last image in set
			if(settings.activeImage != (settings.imageArray.length -1)) {
                $('.arrow-next').css({'background':'url(' + settings.imageBtnNext + ') no-repeat center center', 'cursor':'pointer'})
                	.unbind()
                    .bind('click',function() {
                    	window.location.hash = settings.activeImage + 1;
                        settings.activeImage = settings.activeImage + 1;
                        _set_image_to_view();
                        return false;
                    });
			} else {
            	$('.arrow-next').css({'background':'url(' + settings.imageBtnNextBlank + ') no-repeat center center', 'cursor':'default'}).unbind();
            }
		}
        
        
        /**
		 * Preload prev and next images being showed
		 */
		function _preload_neighbor_images() {
			if((settings.imageArray.length -1) > settings.activeImage) {
				objNext = new Image();
				objNext.src = settings.imageArray[settings.activeImage + 1][0];
			}
			if(settings.activeImage > 0) {
				objPrev = new Image();
				objPrev.src = settings.imageArray[settings.activeImage -1][0];
			}
		}
	};
})(jQuery); // Call and execute the function immediately passing the jQuery object