$(document).ready(function () {
		getData();
		setTimeout("startGallery()",500);
	});
 
		function getData() { 
			$("<ul>").attr({className: "gallery_demo"}).appendTo("#imgList");
			$.getJSON("gallery.php?dr=" + gDir + "&jsoncallback=?", function(data) {  
						  
				for (var x = 0; x < data.length; x++) {  
					var li = $("<li>").appendTo("ul.gallery_demo");
					var step = $("<img>").attr({src: gDir + "/" + data[x].imgUrl, title: ""}).appendTo(li);  
				}  
			});
		}
				
		function startGallery() {
			$('ul.gallery_demo').galleria({
				history   : true, // activates the history object for bookmarking, back-button etc.
				clickNext : true, // helper for making the image clickable
				insert    : '#main_image', // the containing selector for our main image
				onImage   : function(image,caption,thumb) { // let's add some image effects for demonstration purposes
					// fade in the image & caption
							if(! ($.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 >>');
						},
						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
							)
						}
			});
		}