function closeall() {
    document.getElementById("showcasebanner").style.display = "none";
    document.getElementById("scsbanner").style.display = "none";
    document.getElementById("cpbanner").style.display = "none";
    document.getElementById("slittingbanner").style.display = "none";
    document.getElementById("decoilingbanner").style.display = "none";
}

function showbanner(id) {
    /* closeall();
    var divid = '#' + id;
    jQuery(divid).slideDown(200); */

    document.getElementById(id).style.display = "block";

}

function hidebanner(id) {
    /* var divid = '#' + id;
    jQuery(divid).slideUp(100); */
    document.getElementById(id).style.display = "none";
}

function keepbanner(id) {
    var divid = '#' + id;
    if (document.getElementById(id).style.display = "none") {
        document.getElementById(id).style.display = "block";
    }
}