function CreateSlideshow(img_dimensions) {
			 for (var i=0; i < img_dimensions.length; i++){
	         	img_dimensions[i] = img_dimensions[i].split(",");
			 }

		var max_dimension = 70;
		var img_margin = 4;
		var slider_outer_w = 314;
		var pos = 0;
		var num_images = $('#rollover_thumbs li').length;
		var num_pages = Math.ceil(num_images/ 4);
		var current_page = 1;
		var first_img = $('#rollover_thumbs img:eq(0)');
		var first_src = first_img.attr('src');
        var first_href = first_src.replace(/S_/, "L_");
		var first_offset = (400 - img_dimensions[0][1])/2;
		var a_class = "";
		var icon_display = ""
		
		$('#image_viewer').css('height', 'auto');
		if ($('#rollover_thumbs li img:eq(0)').attr('class') == "lightbox"){
			     a_class = "lightbox";
				 icon_display="display:block;";
				 
		}
		else {
			     icon_display="display:none;";
		}

		$('#image_viewer img:eq(0)').css({'display' : 'block', 'position' : 'relative', 'z-index' : '2'}).wrap('<a href="' + first_href + '" class="' + a_class + '" id="lightbox" style="top:' + first_offset + 'px; width:' + img_dimensions[0][0] + 'px; height:' + img_dimensions[0][1] + 'px;"></a>').after('<img src="/pics/enlarge.png" id="enlarge" style="' + icon_display + '" />');
		$('#image_viewer a:eq(0)').wrap('<div id="medium_image"></div>')		
		
		for(var i = 0; i< num_images; i++){
			var img_height = $('#rollover_thumbs img:eq(' + i + ')').attr('height');
			var y_offset = (max_dimension - img_height)/2;
			$('#rollover_thumbs img:eq(' + i + ')').css({'top': y_offset});
		}
	
		
		function medium_file(url){
			url = url.split("/");
			var last_index = url.length - 1;
			return url[last_index];
		}
			
		
		$('#rollover_thumbs li a').mouseenter(function(){
			if ($(this).children('img').attr('class') == 'lightbox'){
			    $('#lightbox').attr('class', 'lightbox');
				$('#enlarge').css('display', 'block');
			}
			
			else {
				$('#lightbox').removeAttr('class');	
				$('#enlarge').css('display', 'none');
			}
			var active_anchor = $(this);
			var thumb_height = active_anchor.children('img').attr('height');
			var thumb_width = active_anchor.children('img').attr('width');
			var j = $('#rollover_thumbs li a').index(active_anchor);	
			var medium_path = active_anchor.attr('href');
			var medium_src = $('#image_viewer img:eq(0)').attr('src');
			var large_path = medium_path.replace(/M_/, "L_");
			y_offset = (400 - img_dimensions[j][1])/2;
			
			if (medium_path != medium_src){	
                $('#status').text('Status: checking image...');			
						$('#image_viewer img:eq(0)').attr({'src' : medium_path});
						$('#image_viewer img:eq(0)').attr({'width' : img_dimensions[j][0], 'height': img_dimensions[j][1]}).parent('a').attr('href', large_path).css({'width' : img_dimensions[j][0] + 'px', 'height' : img_dimensions[j][1] + 'px', 'top' : y_offset});
			}
		});
		
		$('#rollover_thumbs li a').mouseleave(function(){
			    $('#image_viewer img:eq(0)').stop(true, true);
		});
		
	
		
		$('#image_viewer a:eq(0)').mouseenter(function(){
			 if($(this).attr('class') == 'lightbox'){	
			      $(this).css('cursor', 'pointer');
			 }
			 else {
				  $(this).css('cursor', 'default');
			 }
		});
				
		$('#lightbox').click(function(){
			if ($(this).attr('class') == "lightbox"){
					tb_show("", $(this).attr('href'), "");	
			}
			return false;
		});
		
													
		if(num_images > 4){
			var slider_width = num_images * (max_dimension + img_margin * 2) + max_dimension;
			$('#rollover_thumbs').wrap('<div id="slider"></div>');
			$('#slider').css({'width':  slider_width, 'right' : '0px'}).wrap('<div id="slider_outer"></div>');
			$('#slider_outer').before('<a href="#" id="prev_page" style="visibility:hidden;" ></a>').after('<a href="#" id="next_page"></a>');
		}
		else{
			$('#rollover_thumbs').css({'width' : slider_outer_w, 'margin' : '15px auto 0px auto'});
		}
		
		$('#next_page').click(function(){
			    if(current_page < num_pages){
					$('#prev_page').css('visibility', 'visible');
					pos += slider_outer_w;
					$('#slider').animate({right : pos + "px"}, 1500);
					
					current_page++;
				}
				
				if(current_page == num_pages){
					$(this).css('visibility', 'hidden');
				}
				else{
					$(this).css('background-image', 'url(/pics/img/next.gif)');
				}
				
				return false;

		});
		
		$('#prev_page').click(function(){
				if(current_page > 1){
					$('#next_page').css('visibility', 'visible');
					pos -= slider_outer_w;
					$('#slider').animate({right : pos + "px"}, 1500);
					current_page--;
				}
				
				if(current_page == 1 ){
					$(this).css('visibility', 'hidden');
				}
				else{
					$(this).css('display', 'inline');
				}
				return false;
		});
		$('#rollover_thumbs li a').click(function(){
			return false;
		});
}