var time = 7000, current_banner = 1, banner_interval;

$(document).ready(function(){
	banner_interval = setInterval(function() { banner_next() }, time);
});

function banner_next(a) {
		$("#item"+current_banner).fadeOut("slow");
		$("a.item"+current_banner).removeClass("active");

		if(current_banner < banner_count) current_banner++;
			else current_banner = 1;

		$("#item"+current_banner).fadeIn("slow");
		$("a.item"+current_banner).addClass("active");
}

function banner_prev() {
		$("#item"+current_banner).fadeOut("slow");
		$("a.item"+current_banner).removeClass("active");

		if(current_banner > 1) current_banner--;
			else current_banner = banner_count;

		$("#item"+current_banner).fadeIn("slow");
		$("a.item"+current_banner).addClass("active");
}