$(document).ready(function() {

	        $('.gallery_demo_unstyled').addClass('gallery_demo'); // adds new class name to maintain degradability
	        $('#SlideShow').css('display', 'block')
            
	        $('ul.gallery_demo').galleria({
	            history: true, // activates the history object for bookmarking, back-button etc.
	            clickNext: false, // 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
	                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
				)
	            }
	        });
	    });

    var autoInterval = 5000;
    var autoIntervalId = 0;

    function first_Click() {
        return false;
    }

    function prev_Click() {
        if (document.getElementById("btnPlayStop").value == "Stop") {
            // Start the timer
            document.getElementById("btnPlayStop").value = "Play";
            clearInterval(autoIntervalId);
        }
        $.galleria.prev();
        return false;
    }

    function next_Click() {
        if (document.getElementById("btnPlayStop").value == "Stop") {
            // Start the timer
            document.getElementById("btnPlayStop").value = "Play";
            clearInterval(autoIntervalId);
        }
        $.galleria.next();
        return false;
    }

    function last_Click() {
        return false;
    }

    function playstop_Click() {
        if (document.getElementById("btnPlayStop").value == "Play") {
            // Start the timer
            document.getElementById("btnPlayStop").value = "Stop";
            autoIntervalId = setInterval("autoNext()", autoInterval);
        }
        else {
            document.getElementById("btnPlayStop").value = "Play";
            clearInterval(autoIntervalId);
        }
        return false;
    }

    function autoNext() {
        $.galleria.next();
    }