document.fadeinElementById = function(id) {
    var el      = this.getElementById(id);
    var fade    = (typeof arguments[1] == 'number') ? arguments[1] : false;
    var fadeDir = arguments[2] ? arguments[2] : false;

    
    if (fadeDir == false) {
        fadeDir = +1;
    }
    if (fadeDir > 0) {
        el.style.display = 'inline';
        fade = (fade !== false) ? fade + 0.1 : 0;
        if (fade > 1) {
            fade = 1;
            return;
        }
    }
    el.style.opacity = fade;
    el.style.filter  = 'Alpha(opacity=' + (fade * 100) + ')';
    setTimeout('document.fadeinElementById("' + id + '", ' + fade + ', ' + fadeDir + ');', 20);
}
document.fadeoutElementById = function(id) {
    var el      = this.getElementById(id);
    var fade    = (typeof arguments[1] == 'number') ? arguments[1] : false;
    var fadeDir = arguments[2] ? arguments[2] : false;
 
    if (fadeDir == false) {
        fadeDir = -1;
    }
    if (fadeDir < 0) {
        fade = fade ? fade - 0.1 : 1;
        if (fade < 0) {
            fade == 0;
            el.style.display = 'none';
            return;
        }
    }
    el.style.opacity = fade;
    el.style.filter  = 'Alpha(opacity=' + (fade * 100) + ')';
    setTimeout('document.fadeoutElementById("' + id + '", ' + fade + ', ' + fadeDir + ');', 20);
}
function show(id) {
    tt.style.display = "none"
    document.fadeElementById(id)
}
function hide(id) {
    tt = document.getElementById(id);
    tt.style.display = "none";
}