function menu(intItem) {

    for (i = 1; i <= 8; i++) {
        document.getElementById("m" + i).style.display = "block";
        document.getElementById("mo" + i).style.display = "none";
    }

    document.getElementById("m" + intItem).style.display = "none";
    document.getElementById("mo" + intItem).style.display = "block";

}
function menuout() {

    for (i = 1; i <= 8; i++) {
        document.getElementById("m" + i).style.display = "block";
        document.getElementById("mo" + i).style.display = "none";
    }
}

ddsmoothmenu.init({
    mainmenuid: "smoothmenu1", //menu DIV id
    orientation: 'h', //Horizontal or vertical menu: Set to "h" or "v"
    classname: 'ddsmoothmenu', //class added to menu's outer DIV
    //customtheme: ["#1c5a80", "#18374a"],
    contentsource: "markup" //"markup" or ["container_id", "path_to_menu_file"]
})