function picTab1(i){
    for (var j=1;j<=8;j++){
        if (j == i) {
            document.getElementById("cd" + j).style.display = "block";

        } else {
            document.getElementById("cd" + j).style.display = "none";
        }
    }
}

function picTab1Out(){
    for (var i=1;i<=8;i++){
        document.getElementById("cd" + i).style.display = "none";
    }
}