用Bootstrap框架弹出iframe页面 在弹出的模态框中载人iframe页面

<div class="modal fade" id="NoPermissionModal">
    <div class="modal-dialog" >
        <div class="modal-content">
            <div class="modal-header">
                <%-- <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>--%>
                <button type="button" class="close" onclick="window.history.go(-1);">×</button>
                <h4 class="modal-title" id="NoPermissionModalLabel">系统消息</h4>
            </div>
            <div class="modal-body">
                <iframe id="NoPermissioniframe" width="100%" height="50%" frameborder="0"></iframe>
            </div>
            <div class="modal-footer">
<%--                <button type="button" class="btn btn-default " data-dismiss="modal">    关  闭    </button>--%>
                <button class="btn btn-default"  type="button" onclick="window.history.go(-1);" >    关  闭    </button>
            </div>
        </div>
    </div>
</div>
 
 <input type="button" value="弹出模态框iframe" class="btn btn-primary" id="btnclick" ><img src="http://img.blog.csdn.net/20140923180316546?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvY2hpbmFwbGFu/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast" alt="" />

Js代码：

$(function(){
    $("#btnclick").click(function(){
        var frameSrc = "../ErrorPages/NoPermission.html";
        $("#NoPermissioniframe").attr("src", frameSrc);
        $('#NoPermissionModal').modal({ show: true, backdrop: 'static' });
    });
});