// SHOW/HIDE LAYERS
function ShowNewLayer(theshown, thehidden, thehidden2)
{
    // alert(theshown);
    if(document.getElementById(theshown).style.display == 'block'){
        if (theshown == 'login_artist' || theshown == 'login_listener'){
            // alert('passed.');
        } else {
            document.getElementById(theshown).style.display = 'none';
        }
    } else {
        document.getElementById(theshown).style.display = 'block';
    }
    
    if(thehidden){
        document.getElementById(thehidden).style.display = 'none';
    }
    
    if(thehidden2){
        document.getElementById(thehidden2).style.display = 'none';
    }
}

// HIDE SPECIFIC LAYER
function HideLayer(thehidden){
    document.getElementById(thehidden).style.display = 'none';
}