var delay = 7500;
var show = 800;
var hide = 800;
var bg = 2;

function clickNews(news_id, clicked) {
    jQuery(
        function(){
            if(clicked==true){
                for(i=1; i<=news_amount; i++){
                    $(".show_"+i).hide();
                    $(".show_"+i).stop(true,true);
                }
                $(".show_"+news_id).fadeIn(show, function(){
                    if(news_id>news_amount){
                        news_id = 1;
                        bg = 2;
                    }
                    else{
                        bg = news_id+1;
                    }
                    if(news_id==news_amount){
                        bg = 1;
                    }
                    $(".show_"+bg).css("z-index","1").show();
                }).css("z-index",2).delay(delay).fadeOut(hide, function(){
                    news_id++;
                    changeNews(news_id,false, news_amount);
                });
            }
            else {
                $(".show_"+news_id).delay(delay).fadeOut(function(){
                    news_id++;
                    changeNews(news_id, false, news_amount);
                });
            }
        }
        );
}

function changeNews(news_id, clicked, count){
    news_amount = count;
    jQuery(
        function() {
            if(news_id>news_amount){
                news_id = 1;
                bg = 2;
            }
            else{
                bg = news_id+1;
            }
            if(news_id==news_amount){
                bg = 1;
            }

            $(".show_"+news_id).css("z-index","2").fadeIn(show, function() {
                $(".show_"+bg).css("z-index","1").show();
                clickNews(news_id,clicked);
            })
        }
        )
}