var thmbnTimer;
var _currentActiveImage = null;


jQuery(function($) {
		
		$('#thumbnails_c').addClass('referencia_demo'); // adds new class name to maintain degradability
		
		
		$('#thumbnails_c').galleria({
			history   : false, // deactivates the history object for bookmarking, back-button etc.
			clickNext : true, // helper for making the image clickable. Let's not have that in this example.
			insert    : "#main_image", // the containing selector for our main image. 
								   // If not found or undefined (like here), galleria will create a container 
								   // before the ul with the class .galleria_container (see CSS)
			//onImage   : function() { $('.nav').css('display','block'); } // shows the nav when the image is showing
			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(500,0.8);
				
				// fade in active thumbnail
				thumb.fadeTo('fast',1).addClass('selected');
				
				// add a title for the clickable image
				image.attr('title','Következő >>');
			},
			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' : '0.8';
				
				// 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',0.8); } // don't fade out if the parent is active
				)
			}

			
		});
	});

function hscroll_l(s, t) {
	clearInterval(thmbnTimer);
	thmbnTimer = setInterval("document.getElementById('scrollerbox').scrollTop -= "+s, t);
}

function hscroll_r(s, t) {
	clearInterval(thmbnTimer);
	thmbnTimer = setInterval("document.getElementById('scrollerbox').scrollTop += "+s, t);
}


function HorizScroller(id, stop, step) {
	obj = document.getElementById(id);
	start = parseInt(obj.scrollLeft);

	if ((start+step) < stop) {
		obj.scrollLeft += step;
		start += step;
		setTimeout("HorizScroller('"+id+"',"+stop+","+step+")", 100);
	}
	else if ((start-step) > stop) {
		obj.scrollLeft -= step;
		start -= step;
		setTimeout("HorizScroller('"+id+"',"+stop+","+step+")", 100);
	} else {
		obj.scrollLeft = stop;
	}
}