var $j = jQuery;
$j(document).ready(function() {		
		var contentHeight = $j("#content_text").outerHeight(true);
		var footnaviHeight = $j("#footnavi").height() ;
		var subnaviHeight = $j("#subnavi").outerHeight(true);
		//-1px wegen linie oben + wegen line-height von foot-navi
		var navi_spacerHeight = contentHeight - footnaviHeight - subnaviHeight - 1 + 4;
		$j("#navi_spacer").css({height: (navi_spacerHeight)+"px"});
});