function switchDisplay(name) {
        var elem = document.getElementById(name);
        //alert(name + ": " + elem);

        if( elem.style.display == "none" ) {
            elem.style.display = "block";
            //changeMinMaxImg(name, true)

        } else {
            elem.style.display = "none";
            //changeMinMaxImg(name, false)
        }
    }