height

    var content, contentHeight, footer, header, viewportHeight;
    header = $(":jqmData(role='header'):visible");
    footer = $(":jqmData(role='footer'):visible");
    content = $(":jqmData(role='content'):visible");
    viewportHeight = $(window).height();
    contentHeight = viewportHeight - header.outerHeight() - footer.outerHeight();
    $("article:jqmData(role='content')").first().height(contentHeight);
    $("#contenedorMapa").height(contentHeight);