function add_MC(){
    var now = new Date().getTime();
    $("#poll_content").append("<div id='new_poll_question_" + now + "'>"+
        "<form accept-charset='UTF-8' action='/poll/2/create_poll_question' class='new_poll_question' data-remote='true' id='new_poll_question' method='post'>"+
        "<div>" +
        "<div class='ur_editor radio'>" +
            "<div class='ur_editor_title'>" +
                "<label>问题：&nbsp;&nbsp;</label>" +
                "<input type='hidden' name='question_type' value='1'/>" +
                "<input class='ur_question_title' type='text' name='poll_questions_title' placeholder='请输入单选题标题'/>" +
                "<input type='checkbox' name='is_necessary' value='true' checked/>" +
                "<label>必答</label>" +
            "</div>" +
            "<div class='ur_editor_content'>" +
                "<ul>" +
                    "<li class='ur_item'>" +
                        "<label>选项<span class='ur_index'></span>：</label>" +
                        "<input type='text' name='question_answer[0]' placeholder='新建选项'/>" +
                        "<a class='icon_add' title='向下插入选项' onclick='add_single_answer($(this));'></a>" +
                        "<a class='icon_remove'  title='删除' onclick='remove_single_answer($(this))'></a>" +
                    "</li>" +
                    "<div class='cl'></div>" +
                    "<li class='ur_item'>" +
                        "<label>选项<span class='ur_index'></span>：</label>" +
                        "<input type='text' name='question_answer[1]' placeholder='新建选项'/>" +
                        "<a class='icon_add' title='向下插入选项' onclick='add_single_answer($(this));'></a>" +
                        "<a class='icon_remove'  title='删除' onclick='remove_single_answer($(this))'></a>" +
                    "</li>" +
                    "<div class='cl'></div>" +
                    "<li class='ur_item'>" +
                        "<label>选项<span class='ur_index'></span>：</label>" +
                        "<input type='text' name='question_answer[2]' placeholder='新建选项'/>" +
                        "<a class='icon_add' title='向下插入选项' onclick='add_single_answer($(this));'></a>" +
                        "<a class='icon_remove'  title='删除' onclick='remove_single_answer($(this))'></a>" +
                    "</li>" +
                    "<div class='cl'></div>" +
                "</ul>" +
            "</div>" +
            "<div class='ur_editor_footer'>" +
                "<a class='btn btn_dark btn_submit' data-button='ok' onclick='$(this).parent().parent().parent().parent().submit();'>确定</a>" +
                "<a class='btn btn_light btn_cancel' data-button='cancel' onclick='$("+ '"#new_poll_question_'  + now + '"' +").remove();'>取消</a>" +
            "</div>" +
            "<div class='cl'></div>" +
        "</div>" +
    "</div>" +
    "</form>" +
    "</div>");
}
function add_MCQ(){$("#poll_content").append("<%= escape_javascript(render :partial => 'new_MCQ') %>");}
function add_single(){$("#poll_content").append("<%= escape_javascript(render :partial => 'new_single') %>");}
function add_mulit(){$("#poll_content").append("<%= escape_javascript(render :partial => 'new_mulit') %>");}
//问卷头
function pollsCancel(){$("#polls_head_edit").hide();$("#polls_head_show").show();}
function pollsEdit(){$("#polls_head_edit").show();$("#polls_head_show").hide();}
//单选题
function add_single_answer(doc)
{
  doc.parent().after("<li class='ur_item'><label>选项<span class='ur_index'></span>：</label><input type='text' name='question_answer["+new Date().getTime()+"]' placeholder='新建选项'/>" +
      "<a class='icon_add' title='向下插入选项' onclick='add_single_answer($(this));'></a><a class='icon_remove'  title='删除' onclick='remove_single_answer($(this))'></a>"+
      "</li><div class='cl'></div>");
}
function remove_single_answer(doc)
{
  if(doc.parent().siblings("li").length == 0){doc.parent().parent().parent().parent().parent().parent().remove();}else{doc.parent().remove();}
}