$(document).ready(function(){
	$(".next_case").click(function(){
		$("#ie_wrapper").animate({left: "+=-2000"}, 50)
		$("#ie_wrapper").animate({left: "+=2000"}, 50)
		var $active = $('#slider img.active');
	    if ( $active.length == 0 ) $active = $('#slider img:last');
	    var $next =  $active.next().length ? $active.next()
	        : $('#slider img:first');
	    $active.addClass('last-active');
	    $next.css().addClass('active');
        $active.removeClass('active last-active');	
		return false;
	});
});