利用JS彈出層實現簡單的動態提示“正在加載中，請稍等...”

JQuery版本：1.7.1；

編寫一個JS類(ck.layer.js)：

/************************************* Achievo.Javascript Library **************************
* Using jQuery 1.7.1
* Using cks.js 1.0.1
* Name : ck.layer.js
* Create by Angle.Yang on 2012/03/07 [V1.0.0]
*******************************************************************************************/
(function ($) {

    $.fn.masklayer = function (settings) {
        /// <summary>
        /// 模態窗口，繼承 easy-ui.window
        /// </summary>
        /// <param name="settings" type="object">擴展了{title:[div中的內容], action:[執行的動作，目前支持"close"], result:[返回結果]}</param>
        /// <returns type="void" />

        settings = $.extend(true, { title: '加載中...', action: "open" }, settings);


        /// <summary>
        /// 初始化所有 cks 樣式的按鈕（頁面運行時進行初始化）
        /// </summary>
        /// <returns type="void" />

        _init = function () {
            if (settings.action == "open") {
                if ($("#div_load").length == 0) {
                    var boardDiv = "<div id='div_load'><\/div>";
                    $(document.body).append(boardDiv);
                }
                if ($("#div_load").length > 0) {
                    $("#div_load").fix_ie6Select();
                    $("#div_load").css("display", "block");
                    $("#div_load").css("height", document.body.offsetHeight);
                    $("#div_load").html(settings.title);
                }
            }
            else if (settings.action == "close") {
                if ($("#div_load").length > 0) $("#div_load").css("display", "none");
            }
            else if (settings.action = "setTitle") {
                if ($("#div_load").length > 0) $("#div_load").html(settings.title);
                else {
                    var boardDiv = "<div id='div_load'>" + settings.title + "<\/div>";
                    $(document.body).append(boardDiv);
                    $("#div_load").fix_ie6Select();
                    $("#div_load").css("display", "block");
                    $("#div_load").css("height", document.body.offsetHeight);
                }
            }
        };


        return (function () { _init() })();

    };
})(jQuery);