function slideSwitch(){
	var $active=jQuery('#banner span.active');if($active.length==0)$active=jQuery('#banner span:last');
	var $next=$active.next().length?$active.next():jQuery('#banner span:first');$active.addClass('last-active');
	
	$next.css({opacity:0.0}).addClass('active').animate({opacity:1.0},1000,function(){$active.removeClass('active last-active');});
}
	
$(function(){
					 
	if(jQuery('#banner span').length > 1) 																								 
	 setInterval("slideSwitch()",5000);
																				
});