var sel = editor1.GetSelection();"

with that I can get the selection,but there is no any help told me about its methods or propertys.

the selection is an object,but I need to get its html content,how can i do?

      if (document.selection && document.selection.createRange){
        rng=editdoc.selection.createRange();
        html=rng.htmlText||"";
      }else if (window.getSelection){
        rng=editwin.getSelection();