$("#exercises_<%= @exercise.id %>").html("<%= escape_javascript(render :partial => 'exercise',:locals => {:exercise => @exercise,:index => @index}) %>");
var htmlvalue = '<div id="muban_popup_box" style="width:400px;"><div class="muban_popup_top"><h3 class="fl">提示</h3><a href="javascript:void(0);" class="muban_icons_close fr"></a></div>'+
        '<div class="clear muban_popup_con"><div class="newupload_conbox newupload_tishi"><p>取消成功</p>' +
        '<a href="javascript:void(0);" class="btn btn-blue  mt10" onclick="hideModal();">知道了</a></div></div></div>';
pop_box_new(htmlvalue, 400, 152);