function navigation(){
    if($('#navigation').is(':visible'))
    {
        $('#navigation').hide();
        $('#login_layer').hide();
        $('#demo_layer').hide();
        $('#bars').html("<i class=\"fa-thin fa-bars\"></i>");
    } else {
        $('#navigation').show();
        $('#bars').html("<i class=\"fa-thin fa-times\"></i>");
    }
}

function zeige_login(){
    if($('#login_layer').is(':visible'))
    {
        $('#login_layer').hide();
    } else {
        $('#login_layer').show();
        $('#demo_layer').hide();
    }
}

function zeige_demo(){
    if($('#demo_layer').is(':visible'))
    {
        $('#demo_layer').hide();
    } else {
        $('#demo_layer').show();
        $('#login_layer').hide();
    }
}



function zeige_details(btn,id){
    $("#"+id).slideDown();
    $(btn).hide();
    //goTo("#"+id);
}

function goTo(target){

    var target = target,
        $target = $(target);

    if(target=="#top_nav") {
        var scroll_to = 0;
    }else {
        var scroll_to = $target.offset().top - 50;
    }

    $('html, body').stop().animate({
        'scrollTop': scroll_to
    }, 900, 'swing', function () {
        //window.location.hash = target;
    });
}
var timer_ueber_subnav;
function ueber_subnav_show(an){
    if(an==1){
        $("#sub_ueber").slideDown(200);
        clearInterval(timer_ueber_subnav);
    }else{
        //timer_ueber_subnav = 0;
        timer_ueber_subnav = setTimeout(function(){$("#sub_ueber").slideUp(200);},500);
    }
}

function zeige_dreieck(id,an){

    if(window.innerWidth<1020)
        return 0;

    if(an==1){
        $(id).find('img').show();
    } else {
        $(id).find('img').hide();
    }
}

var bw_pruef = [];

function addons_all_close(){
    $( "#mod_drucker_1" ).css("opacity", "1");
    $( "#mod_drucker_2" ).css("opacity", "0");

    $( "#mod_email_1" ).css("opacity", "1");
    $( "#mod_email_2" ).css("opacity", "0");

    $( "#mod_io_1" ).css("opacity", "1");
    $( "#mod_io_2" ).css("opacity", "0");

    $( "#mod_tableau_1" ).css("opacity", "1");
    $( "#mod_tableau_2" ).css("opacity", "0");

    $( "#mod_bildschirm_1" ).css("opacity", "1");
    $( "#mod_bildschirm_2" ).css("opacity", "0");
}

function bildwechsel(wie,was){

    if(wie==1){
        clearInterval(bw_pruef[was]);

        addons_all_close()

        $( "#mod_"+was+"_1" ).css("opacity", "0");
        $( "#mod_"+was+"_2" ).css("opacity", "1");
    } else {
        bw_pruef[was] = setTimeout(function(){bw_aus(was)},300);
    }
}

function bw_aus(was){
    $( "#mod_"+was+"_1" ).css("opacity", "1");
    $( "#mod_"+was+"_2" ).css("opacity", "0");
}