// 選單頁籤的id陣列
var edmPic = ["m01", "m02", "m03", "m04", "m05", "m06"];
// 內容區塊的id陣列
var edmDiv = ["c01", "c02", "c03", "c04", "c05", "c06"];
// 亂數取得預設呈現廣告圖片的頁籤內容序號
var index = Math.floor(Math.random() * edmPic.length + 1)
// 改變預設呈現廣告圖片的頁籤樣式
for (var i = 1; i <= edmPic.length; i++) {
    if (index == i)
        document.getElementById("m0" + i).className = "sd01";
    else
        document.getElementById("m0" + i).className = "sd02";
}
// 改變預設呈現廣告圖片的內容樣式
for (var i = 1; i <= edmDiv.length; i++) {
    if (index == i)
        document.getElementById("c0" + i).style.display = "";
    else
        document.getElementById("c0" + i).style.display = "none";
}


function scrollDoor() {
    //
}

scrollDoor.prototype = {
    sd: function(menus, divs, openClass, closeClass) {
        var _this = this;
        if (menus.length != divs.length) {
            alert("選單頁籤數量和內容區塊不一樣!");
            return false;
        }

        for (var i = 0; i < menus.length; i++) {
            _this.$(menus[i]).value = i;
            _this.$(menus[i]).onmouseover = function() {
                for (var j = 0; j < menus.length; j++) {
                    if (this.value != j) {
                        _this.$(menus[j]).className = closeClass;
                        _this.$(divs[j]).style.display = "none";
                    } else {
                        _this.$(menus[this.value]).className = openClass;
                        _this.$(divs[this.value]).style.display = "block";
                    }
                }
            }
        }
    },
    $: function(oid) {
        if (typeof (oid) == "string")
            return document.getElementById(oid);
        return oid;
    }
}


window.onload = function() {

    // 建立scrollDoor物件並初始化Tab選單功能
    var SDmodel = new scrollDoor();
    SDmodel.sd(edmPic, edmDiv, "sd01", "sd02");
}