Backup/Discuz.Web/admin/js/navbar.js

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var menu, titles, submenus, arrows, bypixels; //定义指定的菜单数组变量
var heights = new Array();
var speed = 25;  //加载菜单项的速度  
var n = navigator.userAgent;

//if (/Opera/.test(n)) {
//    bypixels = 2;
//}
//else if (/Firefox/.test(n)) {
//    bypixels = 3;
//}
//else if (/MSIE/.test(n)) {
//    bypixels = 2;
//}

if (/Firefox/.test(n)) {
    bypixels = 3;
}
else {
    bypixels = 2;
}


//展开所有的菜单项
function slash_expandall() {
    if (typeof menu != "undefined") {
        for (i = 0; i < Math.max(titles.length, submenus.length); i++) {
            titles[i].className = "CurrentItem";
            arrows[i].src = imgpath + "dropdown.gif";
            submenus[i].style.display = "";
            submenus[i].style.height = heights[i] + "px";
        }
    }
}

//收缩所有菜单项
function slash_contractall() {
    if (typeof menu != "undefined") {
        if (expandall == false) {
            for (i = 0; i < Math.max(titles.length, submenus.length); i++) {
                currents[i].className = "NoSelect";
                arrows[i].src = imgpath + "dropdown.gif";
                submenus[i].style.display = "none";
                submenus[i].style.height = 0 + "px";
                submenusli[i].style.display = "none";
            }
        }
    }
}

//初始化函数
function init(showmenuid, showmenuidlist) {

    menu = getElementsByClassName("NavManagerMenu", "div", document)[0];
    titles = getElementsByClassName("CurrentItem", "li", menu);
    arrows = getElementsByClassName("arrow", "img", menu);
    submenus = getElementsByClassName("Submenu1", "div", menu);
    submenusli = getElementsByClassName("Submenu", "li", menu);
    currents = getElementsByClassName("current", "div", menu);