var serialScrollNbImagesDisplayed;
var serialScrollNbImages;
var serialScrollActualImagesIndex;

function serialScrollFixLock(event){
	if (event.target.id.indexOf('right') != -1)
	{
		if (serialScrollActualImagesIndex+1+serialScrollNbImagesDisplayed > serialScrollNbImages)
			return false;
		serialScrollActualImagesIndex++;
	}
	else
	{
		serialScrollActualImagesIndex--;
	}
	$('#category_products_scroll_left').css('cursor', serialScrollActualImagesIndex == 0 ? 'default' : 'pointer').fadeTo(500, serialScrollActualImagesIndex == 0 ? 0.2 : 1);
	$('#category_products_scroll_right').css('cursor', serialScrollActualImagesIndex + serialScrollNbImagesDisplayed == serialScrollNbImages ? 'default' : 'pointer').fadeTo(500, serialScrollActualImagesIndex + serialScrollNbImagesDisplayed == serialScrollNbImages ? 0.2 : 1);
	return true;
}

$(document).ready(function(){
//init the serialScroll for thumbs
	serialScrollNbImages = $('#category_products_list li').length;
	serialScrollNbImagesDisplayed = 5;
	serialScrollActualImagesIndex = 0;
	$('#category_products_list').serialScroll({
		items:'li',
		prev:'a#category_products_scroll_left',
		next:'a#category_products_scroll_right',
		axis:'x',
		offset:0,
		stop:true,
		onBefore:serialScrollFixLock,
		duration:300,
		step: 1,
		lock: false,
		force:false,
		cycle:false
	});
	$('#category_products_list').trigger( 'goto', [middle-3] );
});