$(document).ready(function() {
	//Speed of the slideshow
	var speed = 9000;
	
	//You have to specify width and height in #slider CSS properties
	//After that, the following script will set the width and height accordingly
	$('#mask-gallery, #gallery .li').width($('#slider').width());	
	$('#gallery').width($('#slider').width() * $('#gallery .li').length);
	$('#mask-gallery, #gallery .li, #mask-excerpt, #excerpt .li').height($('#slider').height());
	
	//Assign a timer, so it will run periodically
	var run = setInterval('newsscoller(0)', speed);	
	

	$('#gallery .item'+sb+', #excerpt .item'+sb).addClass('selected');
	
	$('#mask-gallery').scrollTo('#gallery .item'+sb, 0,{onAfter:function(){
		//$('#answer_' + $q_id + '_text').highlightFade({color:'rgb(255, 189, 112)', speed: 500});
		$('#gallery').css( "visibility","visible");
	}});
	$('#mask-excerpt').scrollTo('#excerpt .item'+sb, 0);		
	
	
	//$('#gallery .li:first, #excerpt .li:first').addClass('selected');

	//Pause the slidershow with clearInterval
	$('#btn-pause').click(function () {
		clearInterval(run);
		return false;
	});

	//Continue the slideshow with setInterval
	$('#btn-play').click(function () {
		run = setInterval('newsscoller(0)', speed);	
		return false;
	});
	
	//Next Slide by calling the function
	$('#btn-next').click(function () {
		newsscoller(0);	
		return false;
	});	

	//Previous slide by passing prev=1
	$('#btn-prev').click(function () {
		newsscoller(1);	
		return false;
	});	
	
	//Mouse over, pause it, on mouse out, resume the slider show
	$('#slider').hover(
	
		function() {
			clearInterval(run);
		}, 
		function() {
			run = setInterval('newsscoller(0)', speed);	
		}
	); 	
	
});
function goto(item,a) {
	$('#mask-gallery').scrollTo(item, 800);		
	$('#mask-excerpt').scrollTo(item, 800);
	$('#excerpt .li, #gallery .li').removeClass('selected');
	$(item).addClass('selected');
	$('#dots a').removeClass('current');
	$(a).addClass('current');
}

function newsscoller(prev) {
	
	$('#dots a').removeClass('current');
	//Get the current selected item (with selected class), if none was found, get the first item
	var current_image = $('#gallery .li.selected').length ? $('#gallery .li.selected') : $('#gallery .li:first');
	var current_excerpt = $('#excerpt .li.selected').length ? $('#excerpt .li.selected') : $('#excerpt .li:first');
	
	//if prev is set to 1 (previous item)
	if (prev) {
		
		//Get previous sibling
		var next_image = (current_image.prev().length) ? current_image.prev() : $('#gallery .li:last');
		var next_excerpt = (current_excerpt.prev().length) ? current_excerpt.prev() : $('#excerpt .li:last');
	
	//if prev is set to 0 (next item)
	} else {
		
		//Get next sibling
		var next_image = (current_image.next().length) ? current_image.next() : $('#gallery .li:first');
		var next_excerpt = (current_excerpt.next().length) ? current_excerpt.next() : $('#excerpt .li:first');
	}

	//clear the selected class
	$('#excerpt .li, #gallery .li').removeClass('selected');
	
	//reassign the selected class to current items
	next_image.addClass('selected');
	next_excerpt.addClass('selected');
	
	var id = next_image.attr('class').replace(/[^0-9]+/g,'');
	$("#goto"+id).addClass('current');
    
	
	
	//Scroll the items
	$('#mask-gallery').scrollTo(next_image, 800);		
	$('#mask-excerpt').scrollTo(next_excerpt, 800);					
	
}