function slider2() {
	var $active = jQuery('.slider-col2 img.actv');
	if ( $active.length == 0 ) $active = jQuery('.slider-col2 img:last');
	var $next = $active.next().length ? $active.next() : jQuery('.slider-col2 img:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0}).addClass('actv').animate({opacity: 1.0}, 2000, function(){ 	
		$active.removeClass('actv last-active');
	});
}
function slider3a() {
	var $active = jQuery('.slider-col3a img.actv');
	if ( $active.length == 0 ) $active = jQuery('.slider-col3a img:last');
	var $next = $active.next().length ? $active.next() : jQuery('.slider-col3a img:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0}).addClass('actv').animate({opacity: 1.0}, 2000, function(){ 	
		$active.removeClass('actv last-active');
	});
}
function slider3b() {
	var $active = jQuery('.slider-col3b img.actv');
	if ( $active.length == 0 ) $active = jQuery('.slider-col3b img:last');
	var $next = $active.next().length ? $active.next() : jQuery('.slider-col3b img:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0}).addClass('actv').animate({opacity: 1.0}, 2000, function(){ 	
		$active.removeClass('actv last-active');
	});
}