function carboncalc() {
    var shaveY        = document.getElementById ( 'notShaveYes' )
    var shaveN        = document.getElementById ( 'notShaveNo' )
    var shaveDiv    = document.getElementById ( 'shaveTypeDiv' )
    var c = function ( ) {
        var shaveY        = document.getElementById ( 'notShaveYes' )
        var shaveN        = document.getElementById ( 'notShaveNo' )
        var shaveDiv    = document.getElementById ( 'shaveTypeDiv' )
        if ( shaveY.checked ) {
            shaveDiv.style.display    = 'block'
        } else {
            shaveDiv.style.display    = 'none'
        }
    }
    if ( shaveY && shaveN ) {
        if ( shaveY.checked ) {
        } else {
            shaveDiv.style.display    = 'none'
        }
        shaveY.onclick    = shaveY.onchange = c;
        shaveN.onclick    = shaveN.onchange = c;
    }
    /*var buttY        = document.getElementById ( 'waterbuttYes' )
    var buttN        = document.getElementById ( 'waterbuttNo' )
    var buttDiv        = document.getElementById ( 'iWaterButt' )
    var c = function ( ) {
        var buttY        = document.getElementById ( 'waterbuttYes' )
        var buttN        = document.getElementById ( 'waterbuttNo' )
        var buttDiv    = document.getElementById ( 'iWaterButt' )
        if ( buttY.checked ) {
            buttDiv.style.display    = 'block'
        } else {
            buttDiv.style.display    = 'none'
        }
    }
    if ( buttY && buttN ) {
        if ( buttY.checked ) {
        } else {
            buttDiv.style.display    = 'none'
        }
        buttY.onclick    = buttY.onchange = c;
        buttN.onclick    = buttN.onchange = c;
    }*/
    
    var el    = document.getElementById ( 'toiletType' )
    if ( el ) {
    var f = function ( ) {
        var el    = document.getElementById ( 'toiletType' )
        var val    = el.value;
        var div = document.getElementById('oldToilet')    
        if ( val != 'ToiletPost2001' ) {
            div.style.display    = 'block'
        } else {
            div.style.display    = 'none'
        }
    }
    el.onchange    = f;
    f()
}
}
addLoadEvent(carboncalc);