var main_status;

function intext_menu(id,class_name)
{
    var string      = "menu_"+id;
    var string_img  = "imgmenu_"+id;
    var menu   = document.getElementById(string);
    var img    = document.getElementById(string_img);
    menu.className    = class_name;
    //img.style.display = '';
};

function outtext_menu(id,class_name)
{
    string = "menu_"+id;
    string_img = "imgmenu_"+id;
    var menu   = document.getElementById(string);
    var img    = document.getElementById(string_img);
    menu.className = class_name;
    //img.style.display = 'none';
};

function decay(id,status)
{
    if (status == 1)
        main_status = 1;
    var element = document.getElementById(id);
    var lavel   = element.style.opacity;
    lavel = Number(lavel) - Number(0.05);
    element.style.opacity = lavel;
    if ( (lavel >= 0.5) && (main_status == 1) )
        window.setTimeout("decay('"+id+"','0');",25);    
};

function manifestation(id,status)
{
    if (status == 1)
        main_status = 2;
    var element = document.getElementById(id);
    var lavel   = element.style.opacity;
    lavel = Number(lavel) + Number(0.05);
    element.style.opacity = lavel;
    if ((lavel < 1 ) && (main_status == 2))
        window.setTimeout("manifestation('"+id+"','0');",25);
};