JS插入FreeTextBox的代码

  function InsertElement(){
   rturnText = window.showModalDialog("ElementparaConf.aspx?ELeID=" + document.all.ChildDropDown.value,"","");
   if(rturnText != null && rturnText!= ""){
    FreeTextBox1_designEditor.focus();
    FreeTextBox1_designEditor.document.selection.createRange().pasteHTML(rturnText);
   }
  }