$(document).ready(function () {
	jQuery(function($) {
		
		$('.gallery').addClass('gallery_demo'); // adds new class name to maintain degradability
		
		$('ul.gallery_demo').galleria({
			history   : false, // activates the history object for bookmarking, back-button etc.
			clickNext : true, // helper for making the image clickable
			insert    : '#main_image', // the containing selector for our main image
			onImage   : function(image,caption,thumb) { // let's add some image effects for demonstration purposes
				
				// fade in the image & caption
				if(! ($.browser.mozilla && navigator.appVersion.indexOf("Win")!=-1) ) { // FF/Win fades large images terribly slow
					image.css('display','none').fadeIn(1000);
				}
				caption.css('display','none').fadeIn(1000);
				
				// fetch the thumbnail container
				var _li = thumb.parents('li');
				
				// fade out inactive thumbnail
				_li.siblings().children('img.selected').fadeTo(500,0.3);
				
				// fade in active thumbnail
				thumb.fadeTo('fast',1).addClass('selected');
				
				// add a title for the clickable image
				image.attr('title','Next image >>');
				
				// show the nav
				if( $('.gallery_demo li').length > 1 ) {
					$('.nav').css('display','block');
				}
				else {
					$('.gallery_demo').css('display','none');
				}
				$('#main_image').css('display','block');
				
			
				// scale the image
				var container_height = 438;
				var container_width = 572;
				
				var w = Math.ceil( image.width() / image.height() * container_height );
				var h = Math.ceil( image.height() / image.width() * container_width );
				if (w < h) {
					image.css({ height: 'auto', width: container_width, marginTop: -(h-container_height)/2 });
				} else {
					image.css({ width: 'auto', height: container_height, marginLeft: -(w-container_width)/2 });
				}

			},
			onThumb : function(thumb) { // thumbnail effects goes here
				
				// fetch the thumbnail container
				var _li = thumb.parents('li');
				
				// if thumbnail is active, fade all the way.
				var _fadeTo = _li.is('.active') ? '1' : '0.3';
				
				// fade in the thumbnail when finnished loading
				thumb.css({display:'none',opacity:_fadeTo}).fadeIn(1500);
				
				// hover effects
				thumb.hover(
					function() { thumb.fadeTo('fast',1); },
					function() { _li.not('.active').children('img').fadeTo('fast',0.3); } // don't fade out if the parent is active
				)
			}
		});
	});
});