function bbhdiwon(){
document.getElementById("bbhdiw").style.display = "block";
}

function bbhdiwoff(){
document.getElementById("bbhdiw").style.display = "none";
}

function bbwcon(){
document.getElementById("bbwc").style.display = "block";
}

function bbwcoff(){
document.getElementById("bbwc").style.display = "none";
}

function bbrlon(){
document.getElementById("bbrl").style.display = "block";
}

function bbrloff(){
document.getElementById("bbrl").style.display = "none";
}

function bbvolon(){
document.getElementById("bbvol").style.display = "block";
}

function bbvoloff(){
document.getElementById("bbvol").style.display = "none";
}

function bbspon(){
document.getElementById("bbsp").style.display = "block";
}

function bbspoff(){
document.getElementById("bbsp").style.display = "none";
}

function bagion(){
document.getElementById("bagi").style.display = "block";
}

function bagioff(){
document.getElementById("bagi").style.display = "none";
}

function baincenton(){
document.getElementById("baincent").style.display = "block";
}

function baincentoff(){
document.getElementById("baincent").style.display = "none";
}

function baspon(){
document.getElementById("basp").style.display = "block";
}

function baspoff(){
document.getElementById("basp").style.display = "none";
}

function contacton(){
document.getElementById("contact").style.display = "block";
}

function contactoff(){
document.getElementById("contact").style.display = "none";
}