code: function(el, oRecord, oColumn, oData) {
          var bChecked = oData;
          bChecked = (bChecked) ? " checked=\"checked\"" : "";
          el.innerHTML = "<input type=\"radio\"" + bChecked +
                  " name=\""+this.getId()+"-col-" + oColumn.getSanitizedKey() + "\"" +
                  " class=\"" + DT.CLASS_RADIO+ "\" />";
      }
docs: Formats INPUT TYPE=RADIO elements.
  
  @method DataTable.formatRadio
  @param el {HTMLElement} The element to format with markup.
  @param oRecord {YAHOO.widget.Record} Record instance.
  @param oColumn {YAHOO.widget.Column} Column instance.
  @param oData {Object} (Optional) Data value for the cell.
  @static