function ShowHeadMenuBut (id)
{
    document.getElementById('head_menu_but_left_' + id).style.backgroundColor = '#FF8904';
    document.getElementById('head_menu_but_right_' + id).style.backgroundColor = '#FF8904';
}

function HideHeadMenuBut (id)
{
    document.getElementById('head_menu_but_left_' + id).style.backgroundColor = 'transparent';
    document.getElementById('head_menu_but_right_' + id).style.backgroundColor = 'transparent';
}




/*
function SetPositionHeadSubmenu (id, top_buts_ids)
{
    if (document.body.clientWidth > 773)
        body_width = document.body.clientWidth;
    else
        body_width = 773;

    left_offset = Math.round((body_width - 773) / 2 + 390);
    top_buts_ids = top_buts_ids.split(','); 
    
    top_offset = 0;
    for(i = 0; i < top_buts_ids.length; i++)
        top_offset += document.getElementById('head_but_' + top_buts_ids[i]).offsetHeight;
        
    top_offset += top_buts_ids.length;
    top_offset += document.getElementById('head_menu_top_td').offsetHeight;
    
    document.getElementById('head_submenu_' + id).style.left = left_offset;
    document.getElementById('head_submenu_' + id).style.top = top_offset;
}
*/












function ShowSubmenu(id)
{
    document.getElementById('submenu_' + id).style.display = '';
    class_name = document.getElementById('head_but_' + id).className;
    document.getElementById('head_but_' + id).className = 'menu_but_selected';
    
    if (document.body.clientWidth > 773)
        body_width = document.body.clientWidth;
    else
        body_width = 773;

    left_offset = Math.round((body_width - 773) / 2 + 390);
    
    left_offset = 0;
    top_offset = 0;
    is_before_id = 1;
    for (i = 0; i < document.getElementById('menu_table').rows.length; i++)
    {
        if (document.getElementById('menu_table').rows[i].id == 'head_but_row_' + id)
            break;
        top_offset += document.getElementById('menu_table').rows[i].offsetHeight;
        /*
        if (document.getElementById('menu_row').cells[i].id == 'menu_td_' + id)
        {
            is_before_id = 0;
            left_offset -= document.getElementById('menu_row').cells[i - 1].offsetWidth;
            right_offset += document.getElementById('menu_row').cells[i - 1].offsetWidth;
        }
        
        if (is_before_id == 1)
            left_offset += document.getElementById('menu_row').cells[i].offsetWidth;
        else
            right_offset += document.getElementById('menu_row').cells[i].offsetWidth;
            */
    }
    /*
    if (right_offset >= 202)
        document.getElementById('submenu_' + id).style.left = left_offset;
    else
    {
        if (navigator.appName == 'Microsoft Internet Explorer')
            document.getElementById('submenu_' + id).style.left = left_offset - (200 - top_offset);
        else
            document.getElementById('submenu_' + id).style.left = left_offset - (202 - top_offset);
    }
    */
    document.getElementById('submenu_' + id).style.left = Math.round((body_width - 773) / 2 + 389);
    document.getElementById('submenu_' + id).style.top = top_offset;
}

function HideSubmenu(id)
{
    document.getElementById('submenu_' + id).style.display = 'none';
    document.getElementById('head_but_' + id).className = class_name;
}