function slideSwitch() {
    var $active = $('#headbanner div img.active');

    if ( $active.length == 0 ) $active = $('#headbanner div img:last');

    var $next =  $active.next().length ? $active.next()
        : $('#headbanner div img:first');

    $active.addClass('last-active');
	
	if ($.browser.msie){
	    $next.css({opacity: 1.0})
	        .addClass('active')
            $active.removeClass('active last-active');
	}else{
	    $next.css({opacity: 0.0})
	        .addClass('active')
	        .animate({opacity: 1.0}, 1000, function() {
	            $active.removeClass('active last-active');
	        });
	}
}