// JavaScript Document
function switchTab(tabpage, tabid) {
    var oItem = document.getElementById(tabpage);

    for (var i = 0; i < oItem.children.length; i++) {
        var x = oItem.children(i);
        x.className = "";

    }
    document.getElementById(tabid).className = "selected";
}

function setTab(m, n) {
    var tli = document.getElementById("tabs_menu" + m).getElementsByTagName("li");
    var mli = document.getElementById("tab_main" + m).getElementsByTagName("table");
    for (i = 0; i < tli.length; i++) {
        tli[i].className = i == n ? "current" : "";
        mli[i].style.display = i == n ? "block" : "none";
    }
}

function setTabForum(m, n) {
    var tli = document.getElementById("menu" + m).getElementsByTagName("li");
    var mli = document.getElementById("main" + m).getElementsByTagName("ul");
    for (i = 0; i < tli.length; i++) {
        tli[i].className = i == n ? "hover" : "";
        mli[i].style.display = i == n ? "block" : "none";
    }
}

function re(menu_no, len) {
    for (var i = 1; i < len; i++) {
        document.getElementById("board" + i).style.display = "none";
        document.getElementById("c" + i).className = "bbs_no";
    }
    document.getElementById("board" + menu_no).style.display = "block";
    document.getElementById("c" + menu_no).className = "bbs_on";
}

function displaydiv(menu_no) {
    document.getElementById("t" + menu_no).style.display = "block";
}

function hiddendiv(menu_no) {
    document.getElementById("t" + menu_no).style.display = "none";
}

function check(id) {
    for (i = 1; i < 8; i++) {
        var a = document.getElementById("im" + i);
        var b = document.getElementById("tabs" + i);

        if (a && b) {
            if (i == id) {
                a.style.backgroundImage = "url(../image/web/" + id + "_1.gif)";
                b.style.display = "block";

            }
            else {
                a.style.backgroundImage = "url(../image/web/" + i + ".gif)";
                b.style.display = "none";

            }
        }
    }
    document.getElementById("commendid").value = id;
}