function suche() {
	document.srch.qry.focus();
	if ((document.srch.qry.value != ' search') && (document.srch.qry.value != '')){
		words = document.srch.qry.value.toLowerCase();
		words = words.replace('ä','ae');
		words = words.replace('ö','oe');
		words = words.replace('ü','ue');
		words = words.replace('ß','ss');
		top.location = 'search.php?qry='+words;
	}
}