navistart_l = new Image(); navistart_l.src = "/bilder/btn_start_l.png";
navistart_d = new Image(); navistart_d.src = "/bilder/btn_start_d.png";
naviocd_l   = new Image(); naviocd_l.src   = "/bilder/btn_ocd_l.png";
naviocd_d   = new Image(); naviocd_d.src   = "/bilder/btn_ocd_d.png";
navifs_l    = new Image(); navifs_l.src    = "/bilder/btn_fs_l.png";
navifs_d    = new Image(); navifs_d.src    = "/bilder/btn_fs_d.png";
navihpf_l   = new Image(); navihpf_l.src   = "/bilder/btn_hpf_l.png";
navihpf_d   = new Image(); navihpf_d.src   = "/bilder/btn_hpf_d.png";
navidh_l    = new Image(); navidh_l.src    = "/bilder/btn_dh_l.png";
navidh_d    = new Image(); navidh_d.src    = "/bilder/btn_dh_d.png";
navnl_l     = new Image(); navnl_l.src     = "/bilder/btn_nl_l.png";
navnl_d     = new Image(); navnl_d.src     = "/bilder/btn_nl_d.png";

var showinfo = "on";
var n = "n";
var e = "e";

function light(item)
{
    switch(item)
    {
        case "startbtn": { document.getElementById(item).src = navistart_l.src; }break;
        case "ocdbtn"  : { document.getElementById(item).src = naviocd_l.src;   }break;
        case "fsbtn"   : { document.getElementById(item).src = navifs_l.src;    }break;
        case "hpfbtn"  : { document.getElementById(item).src = navihpf_l.src;   }break;
        case "dhbtn"   : { document.getElementById(item).src = navidh_l.src;    }break;
        case "nlbtn"   : { document.getElementById(item).src = navnl_l.src;     }break;
    }
}

function dark(item)
{
    switch(item)
    {
        case "startbtn": { document.getElementById(item).src = navistart_d.src; }break;
        case "ocdbtn"  : { document.getElementById(item).src = naviocd_d.src;   }break;
        case "fsbtn"   : { document.getElementById(item).src = navifs_d.src;    }break;
        case "hpfbtn"  : { document.getElementById(item).src = navihpf_d.src;   }break;
        case "dhbtn"   : { document.getElementById(item).src = navidh_d.src;    }break;
        case "nlbtn"   : { document.getElementById(item).src = navnl_d.src;     }break;
    }
}

function autohausInfo()
{
    document.getElementById("autohausinfo").style.display = n+showinfo+e;
}