Слайдшоу скачками

<div id="premium-stage">
				<?php if( osc_count_latest_items() == 0) { ?>
					<p class="empty"><?php _e('No Latest Listings', 'refurbished_realestate') ; ?></p>
				<?php } else {
					$index = 0;
				?>
					<?php while ( osc_has_latest_items() ) {
						?>
						<div class="ui-item">
							<div class="frame">
								<a href="<?php echo osc_item_url() ; ?>"><?php if( osc_images_enabled_at_items() ) { ?>
									<?php if( osc_count_item_resources() ) { ?>
										<img src="<?php echo osc_resource_preview_url() ; ?>" title="<?php echo osc_item_title(); ?>" alt="<?php echo osc_item_title(); ?>"/>
									<?php } else { ?>
										<img src="<?php echo osc_current_web_theme_url('images/no_photo.gif') ; ?>" alt="" title=""/>
									<?php } ?>
								<?php } else { ?>
									<img src="<?php echo osc_current_web_theme_url('images/no_photo.gif') ; ?>" alt="" title=""/>
								<?php } ?>
								<div class="type"><?php echo osc_item_category(); ?></div>
								<?php if( osc_price_enabled_at_items() ) { ?><div class="price"><?php echo osc_item_formated_price() ; ?></div> <?php } ?>
								</a>
							</div>
							<div class="info">
								<div>
									<h3><a href="<?php echo osc_item_url() ; ?>"><?php if(strlen(osc_item_title()) > 70){ echo substr(osc_item_title(), 0, 70).'...'; } else { echo osc_item_title(); } ?></a></h3>
								</div>
								<div class="data"><?php item_refurbished_realestate_attributes(); ?></div>
								<div class="author">
									<?php echo osc_format_date(osc_item_pub_date()); ?><br />
									<?php echo osc_item_city(); ?> (<?php echo osc_item_region();?>)
								</div>
							</div>
						</div>
					<?php
							$index++;
							if($index == 5){
								break;
							}
						}
					?>
				<div class="clear"></div>
				<?php View::newInstance()->_erase('items') ;
				} ?>
				<script type="text/javascript">
				/* <![CDATA[ */
				var slides = $("#premium-stage .ui-item:not(:last)").hide();
				if(slides.length >= 1){
					 slider = setInterval('showNext()',5000);
				}
				function showNext(){
					$("#premium-stage .ui-item:last").prev().fadeIn(500);
					$("#premium-stage .ui-item:last").fadeOut(500,function(){
						$(this).remove().prependTo('#premium-stage');
					});
				  
				}
				function showSlide(el){
					 clearInterval(slider);
					 if('#'+$("#slider-stage .slider:last").attr('id') != el){
						  $(el).remove().insertBefore("#slider-stage .slider:last");
						  showNext();  
					 }
				}
				/* ]]> */
				</script>
 
			</div>