code: function(el, oRecord, oColumn, oData) {
          if(lang.isString(oData)) {
              el.innerHTML = "<a href=\"mailto:" + oData + "\">" + oData + "</a>";
          }
          else {
              el.innerHTML = lang.isValue(oData) ? oData : "";
          }
      }
docs: Formats emails.
  
  @method DataTable.formatEmail
  @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} Data value for the cell, or null.
  @static