function subnavHover(number, src_text, src_number)
{
    document.getElementById('subnav_' + number + '_number').src = src_number;
    document.getElementById('subnav_' + number + '_text').src   = src_text;
}

function openPopup(src, name, width, height, left, top, para)
{
    var _width  = 300;
    var _height = 400;
    var _left   = 100;
    var _top    = 100;
    var _para   = '';
    
    if (name)   _name   = name;
    if (width)  _width  = width;
    if (height) _height = height;
    if (left)   _left   = left;
    if (top)    _top    = top;
    if (para)   _para   = para;
    
    parameter = 'width = ' + _width + ', height = ' + _height + ', left = ' + _left + ', top = ' + _top + _para;

    window.open(src, name, parameter);
}

function openBrowser(src)
{
    var para = ', location = yes, menubar = yes, resizable = yes, scrollbars = yes, status = yes, toolbar = yes';
    openPopup(src, '', 1600, 1200, 0, 0, para);
}

function openImage(url, width, height)
{
    var w = parseInt(width) + 20;
    var h = parseInt(height) + 20;
    
    openPopup(url, '', w, h);
}