//打开模态框

    function openMySelectModiaOrPackageModal(){

        var fatherBody = $(window.top.document.body);

        //定义页面存放模态窗口的元素

        var id = 'iframeModalPages';

        var dialog = $('#' + id);

        if (dialog.length == 0) {

            dialog = $('<div class="modal fade" role="dialog" id="' + id + '">'+$('#mySelectMediaOrPackageModal').html()+'</div>');

            dialog.appendTo(fatherBody);

        }

        //加载

        dialog.load("model.html", function() {

            dialog.modal({

                backdrop: false

            });

        });

    }

<div class="modal fade bs-example-modal-lg" tabindex="-1" id="mySelectMediaOrPackageModal" role="dialog" aria-labelledby="mySelectMediaOrPackageModal">

    <div class="modal-dialog modal-lg" role="document">

        <div class="modal-content">

            <div class="modal-header">

                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>

                <ul class="nav nav-tabs _yh_modal_content_title">

                    <li class="active">

                        <a href="#mySelectMedia" data-toggle="tab">

                            <h4 class="modal-title" id="mySelectMediaPanel">

                                选择1

                            </h4>

                        </a>

                    </li>

                    <li>

                        <a href="#mySelectPackage" data-toggle="tab">

                            <h4 class="modal-title" id="mySelectPackagePanel">

                                选择2

                            </h4>

                        </a>

                    </li>

                </ul>

            </div>

            <div class="modal-body">

                <div  id="myTabContent" class="tab-content">

                    <div class="tab-pane fade in active" id="mySelectMedia">

                        <p>菜鸟教程是一个提供最新的web技术站点，本站免费提供了建站相关的技术文档，帮助广大web技术爱好者快速入门并建立自己的网站。菜鸟先飞早入行——学的不仅是技术，更是梦想。</p>

                    </div>

                    <div class="tab-pane fade" id="mySelectPackage">

                        <p>iOS 是一个由苹果公司开发和发布的手机操作系统。最初是于 2007 年首次发布 iPhone、iPod Touch 和 Apple

                            TV。iOS 派生自 OS X，它们共享 Darwin 基础。OS X 操作系统是用在苹果电脑上，iOS 是苹果的移动版本。</p>

                    </div>

                </div>

            </div>

            <div class="modal-footer">

                <button type="button" class="btn btn-default" data-dismiss="modal">

                    关闭

                </button>

                <button type="button" class="btn btn-primary">

                    提交更改

                </button>

            </div>

        </div>

    </div>

</div>

 $("#_cx_modiaOrPackageS").click(function(){

        openMySelectModiaOrPackageModal();

    });