code: public void setOnDblClick(String onDblClick) {
          _theadTag.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, HtmlConstants.ONDBLCLICK, onDblClick);
      }
docs: Sets the onDblClick JavaScript event for the HTML thead tag.
  
  @param onDblClick the onDblClick event.
  @jsptagref.attributedescription The onDblClick JavaScript event for the HTML thead tag.
  @jsptagref.attributesyntaxvalue <i>string_onDblClick</i>
  @netui:attribute required="false" rtexprvalue="true" description="The onDblClick JavaScript event for the HTML thead tag."