jQuery(document).ready(function() {
  jQuery('.mainmenu ul li').click(function() {
    window.location.href = jQuery(this).find('a').attr('href');
  });

jQuery('#customheader').replaceWith('<div id="customheader"><embed style="width:940px;height:200px; align="middle"  param name="wmode" value="transparent" wmode="transparent" src="http://custom.twid.com/twidcustom/bodycenter/images/lokakuu_banneri_2011.swf"  /></div>');
});