function initSlider(galleries, directionSl)
{
	if (!directionSl) directionSl = 'left';
	if (galleries.length)
	{
		for (i = 0; i < galleries.length; i++)
		{
			var parent = galleries[i].parentNode;
			var showArrows = false;

			var innerItems = galleries[i].childNodes;
			for (j = 0; j < innerItems.length; j++)
			{
				if (innerItems[j].className && innerItems[j].className == "clear")
					galleries[i].removeChild(innerItems[j]);
			}

			var id = "fck_gallery_block_slider" + i;
			var div = document.createElement('div');
			div.setAttribute("id", id);
			div.className = "fck_gallery_block_items";
			parent.insertBefore(div, galleries[i]);
			div.appendChild(galleries[i]);

			if (document.defaultView)
			{
			    var myComputedStyle = document.defaultView.getComputedStyle(div, null);  
			    if (myComputedStyle.cssFloat == "left") showArrows = true;  
			}
			else
			{
			    if (div.currentStyle.styleFloat == "left") showArrows = true;  
			}

			if (showArrows)
			{
				var suffix = "";
				if (directionSl == "up" || directionSl == "down")
				{
					suffix = "V";
					div.style.clear = "both";
				}
				var wrapper = document.createElement('div');
				wrapper.className = "fck_gallery_wrapper";
				var prev = document.createElement('a');
				prev.setAttribute("id", id + "-prev");
				prev.className = "prev" + suffix;
				prev.setAttribute("href", "#");

				var next = document.createElement('a');
				next.setAttribute("id", id + "-next");
				next.className = "next" + suffix;
				next.setAttribute("href", "#");

				parent.insertBefore(wrapper, div);
				wrapper.appendChild(prev);
				wrapper.appendChild(div);
				wrapper.appendChild(next);
			}

			new Slider({
				id: id,
				autoStart: true,
				effectDuration: 0.75,
				frameDelay: 3, 
				direction: directionSl,
				doNotPause: true
			});
		}
	}
}