xe_official_v2에서 iframe으로 홈페이지를 꾸민후 회원가입이나 통합검색을 눌렀더니

출력되는 결과가 옆으로 붙습니다.

해결책 없을까요? 차선책으로 회원가입이나, 통합검색을 팝업창으로라도 띄우는 방법이라도 부탁드립니다.

   <hr />
   <ul class="account">
    <li class="log">
                <!--@if($is_logged)-->
                    <a href="./{getUrl("act','dispMemberLogout')}"><img src="./img/buttonLogout.gif" width="33" height="5" alt="LOGOUT" /></a>
                <!--@else-->
                    <a href="./#loginWindow" onclick="jQuery('#loginWindow').css('display','block');" accesskey="L"><img src="./img/buttonLogin.gif" width="25" height="5" alt="LOGIN" /></a>
                <!--@end-->
                </li>
                <!--@if(!$is_logged)-->
    <li class="register"><a href="./{getUrl("act','dispMemberSignUpForm')}"><span>Register</span></a></li>
                <!--@else-->
    <li class="profile">
     <button type="button" onclick="jQuery('#memberProfile').toggleClass('active');"><span>Profile</span></button>
     <!-- memberProfile -->
     <div id="memberProfile" class="memberProfile">
     <!-- class="memberProfile" | class="memberProfile active" -->
      <button type="button" class="close" onclick="jQuery('#memberProfile').toggleClass('active');" accesskey="X"><span>Close profile layer</span></button>
      <h2 class="authorName">{$logged_info->nick_name}</h2>
      <ul>
                            <!--@foreach($logged_info->menu_list as $key => $val)-->
                            <li><a href="./{getUrl("act',$key,'member_srl',''+ '+ ')}">{Context::getLang($val)}</a></li>
                            <!--@end-->
      </ul>
      <button type="button" class="close" onclick="jQuery('#memberProfile').toggleClass('active');" accesskey="X"><span>Close profile layer</span></button>
     </div>
     <!-- /memberProfile -->
    </li>
                <!--@end-->
    <li class="language">
    <!-- class="language" | class="language open" -->
     <em class="{$lang_type}"><span>{$lang_supported[$lang_type]}</span></em>
     <button type="button" class="sLanguage" onclick="jQuery('.language').toggleClass('open'+ '); return false;"><span>Select Language</span></button>
     <ul class="languageList">
                        <!--@foreach($lang_supported as $key => $val)--><!--@if($key!= $lang_type)-->
      <li class="{$key}"><button type="button" onclick="doChangeLangType('{$key}');return false;"><span>{$val}</span></button></li>
                        <!--@end--><!--@end-->
     </ul>
    </li>
   </ul>
   <hr />
   <ul class="gnb">
                {@$_idx = 0}
                <!--@foreach($main_menu->list as $key => $val)-->
                <!--@if($val['selected']&&$val['url']==$mid)-->{@$_menu_depth=1}<!--@end-->
                <!--@if($val['link'])-->
    <li class="{$_colorset_list[$_idx]} <!--@if($val['selected'])-->selected<!--@end-->"><a href="./{$val["href']}"<!--@if($val['open_window']=='Y')--> onclick="window.open(this.href);return flase;"<!--@if($_idx>=count($_colorset_list))-->{@$_idx=0}<!--@end-->
                <!--@end-->
                <!--@end-->
   </ul>
   <hr />
   <form action="{getUrl()}" method="post" class="search">
                <input type="hidden" name="vid" value="{$vid}" />
                <input type="hidden" name="mid" value="{$mid}" />
                <input type="hidden" name="act" value="IS" />
                <input type="hidden" name="search_target" value="title_content" />
    <fieldset>
     <legend>{$lang->cmd_search}</legend>
     <input name="is_keyword" type="text" title="Search" class="inputText" accesskey="S" />
     <input name="" type="image" src="./img/buttonSearch.gif" alt="Search" class="inputSearch" />
    </fieldset>
   </form>
  </div>
  <hr />
  <div id="body">
   <div id="content">