code: public void setOnMouseOut(String onmouseout)
      {
          AbstractHtmlState tsh = getState();
          tsh.registerAttribute(AbstractHtmlState.ATTR_JAVASCRIPT, ONMOUSEOUT, onmouseout);
      }
docs: Sets the onMouseOut javascript event.
  @param onmouseout the onMouseOut event.
  @jsptagref.attributedescription The onMouseOut JavaScript event.
  @jsptagref.databindable false
  @jsptagref.attributesyntaxvalue <i>string_onMouseOut</i>
  @netui:attribute required="false" rtexprvalue="true"
  description="The onMouseOut JavaScript event."