function page_height(){
	var IE = document.all?true:false;

	var tipps_hoehe = document.getElementById('tipps').offsetHeight;
	var content_hoehe = document.getElementById('content').offsetHeight;
	var content_tmp, navi_tmp,tipps_tmp, homepage_ho;
	var navi_ho;
	var fenster;

	if (IE){
		tipps_tmp = tipps_hoehe + 212;
		fenster = document.body.clientHeight;
		if (content_hoehe<tipps_tmp){
			content_tmp = tipps_tmp;
			if ((content_tmp < fenster) && (hauptPage==false)) content_tmp = fenster;
			document.getElementById('content').style.height = content_tmp;
			if (hauptPage==false) document.getElementById('homepage').style.height = content_tmp;
		  	document.getElementById('footer').style.bottom = 0;
		}
	} else {
		tipps_tmp = tipps_hoehe + 212;
		fenster = window.innerHeight - 212;
		if (content_hoehe<tipps_tmp){
			content_tmp = tipps_hoehe;
			if ((content_tmp < fenster) && (hauptPage==false)) content_tmp = fenster;
			homepage_ho = content_tmp + 212;
			document.getElementById('content').style.height = content_tmp+'px';
			if (hauptPage==false) document.getElementById('homepage').style.height = homepage_ho+'px';
			document.getElementById('footer').style.bottom = 0+'px';
		}
	}
	
}