browserName = navigator.appName;
browserVer = parseInt ( navigator.appVersion );
version = "n2";
if ( browserName == "Netscape" && browserVer >= 3 ) version = "n3";
if ( browserName == "Microsoft Internet Explorer" && browserVer >=4 ) version = "e4";
if ( version == "n3" || version == "e4" )
{
// iniciando troca de imagens
home_on = new Image ( 134, 94 );
home_on.src = "http://www.glamourperfumes.com.br/imagens/home_rosa.jpg";
loja_on = new Image ( 134, 94 );
loja_on.src = "http://www.glamourperfumes.com.br/imagens/loja_rosa.jpg";
marcas_on = new Image ( 72, 69 );
marcas_on.src = "http://www.glamourperfumes.com.br/imagens/marcas_rosa.jpg";
vendas_on = new Image ( 134, 70 );
vendas_on.src = "http://www.glamourperfumes.com.br/imagens/vendas_rosa.jpg";
cadastre_on = new Image ( 134, 94 );
cadastre_on.src = "http://www.glamourperfumes.com.br/imagens/cadastre_rosa.jpg";
contato_on = new Image ( 134, 94 );
contato_on.src = "http://www.glamourperfumes.com.br/imagens/contato_rosa.jpg";

home_off = new Image ( 134, 94 );
home_off.src = "http://www.glamourperfumes.com.br/imagens/home_branco.jpg";
loja_off = new Image ( 134, 94 );
loja_off.src = "http://www.glamourperfumes.com.br/imagens/loja_branco.jpg";
marcas_off = new Image ( 134, 108 );
marcas_off.src = "http://www.glamourperfumes.com.br/imagens/marcas_branco.jpg";
vendas_off = new Image ( 134, 70 );
vendas_off.src = "http://www.glamourperfumes.com.br/imagens/vendas_branco.jpg";
cadastre_off = new Image ( 134, 94 );
cadastre_off.src = "http://www.glamourperfumes.com.br/imagens/cadastre_branco.jpg";
contato_off = new Image ( 134, 108 );
contato_off.src = "http://www.glamourperfumes.com.br/imagens/contato_branco.jpg";

// finalizando a troca de imagens
}

function button_on ( imgName )
{
if ( version == "n3" || version == "e4" )
{
butOn = eval ( imgName + "_on.src" );
document [imgName].src = butOn;
}
}
function button_off ( imgName )
{
if ( version == "n3" || version == "e4" )
{
butOff = eval ( imgName + "_off.src" );
document [imgName].src = butOff;
}
}