var actual = "todos";

function update (seleccao){
    //var seleccao = document.frmSeleccao.seleccao.value;

    if (seleccao=="destaque" || seleccao=="stock" || seleccao=="todos" || seleccao=="melhorescompras" || seleccao=="premios"){
        location.href="/catalogo/index.php?cat=<?=$cat?>&seleccao="+ seleccao +"&sessao=<?=$sessao?>";
    } else {
        document.getElementById(seleccao).style.display = 'block';
        document.getElementById(seleccao).style.visibility = 'visible';
        document.getElementById(actual).style.display = 'none';
        document.getElementById(actual).style.visibility = 'hidden';

        actual=seleccao;
    }
}

function abreMelhorCompra(url){
    var windowprops = "width=650,height=500,location=no,toolbar=no,menubar=no,scrollbars=yes,resizable=no";
    window.open (url, '', windowprops)
}

function adicionarConsumiveis(){
    $("#accao").val('adicionaConsumiveis');
    
    $("#frmComparar").attr('action', '/catalogo/meusconsumiveis.php');
    $("#frmComparar").submit();
}