<script language="javascript">
  function trandata(){
      var tmp = editer.document.body.innerHTML;
      location.href="提交后的页面URL?tmp="+tmp+""
   }
</script> 
<script language="javascript">
document.write ('<iframe id="message" width="680" height="350"></iframe>')
frames.message.document.designMode = "On";
</script> <input type="submit" name="s" value="提交" onclick="trandata();"到那个页面用request就可以获取了