function show_submenu(number) {
    var obj=document.getElementById('submenu'+number);


    var tr=document.getElementById('tr'+number);
    if(!tr) return;

    if(obj)
        obj.style.display='block';

    if (tr.className!='on') {
        var link=document.getElementById('link'+number);
        if(!link) return;

        var number__=document.getElementById('number'+number);

        if(!number__) return;

        link.style.color='#F0C30F';
        number__.style.color='#F0C30F';
    }
}

function hide_submenu(number) {
    var obj=document.getElementById('submenu'+number);

    var tr=document.getElementById('tr'+number);
    if(!tr) return;

    if(obj)
        obj.style.display='none';

    if (tr.className!='on') {
        var link=document.getElementById('link'+number);
        if(!link) return;

        var number__=document.getElementById('number'+number);
        if(!number__) return;

        link.style.color='#FFFFFF';
        number__.style.color='#FFFFFF';
    }
}