var slider_links = new Array();
var slider_cur = 0;
var slider_count = -1;
var slider_auto_rotate_flag = true;
window.onblur = function(){
    slider_auto_rotate_flag = false;
}
window.onfocus = function(){
    slider_auto_rotate_flag = true;
}
$(document).ready(function(){
    $.each($(".l-slider-nav-link a"),function(){
        slider_links.push($(this));
        slider_count++;
    });
    $(".l-slider-nav-link a").click(function(event){
        event.preventDefault();
        slider_show_slide($(this));
    });
    $(".l-slider-item, .l-slider-nav-link").hover(function(){slider_auto_rotate_flag=false;}, function(){slider_auto_rotate_flag=true});
    setInterval(slider_auto_rotate, 10000);
});
function slider_auto_rotate(){
    if(slider_auto_rotate_flag)slider_next();
}
function slider_show_slide(slider_link){
    showid = slider_link.attr('href');
    $(".l-slider-item").fadeOut(400);
    $(showid).fadeIn(200);
    $(".l-slider-nav-link").removeClass("active");
    slider_link.parent("li").addClass("active");
}
function slider_next(){
    slider_cur = slider_cur + 1 <= slider_count ? slider_cur + 1 : 0;
    slider_show_slide(slider_links[slider_cur]);
}
function slider_prev(){
    slider_cur = slider_cur - 1 >= 0 ? slider_cur - 1 : slider_count;
    slider_show_slide(slider_links[slider_cur]);
}