function build_url(fname) {
	jd=document.forms[fname];
	url='suche_';
	jgroup=jd.s_group.value;
	url+=(jgroup!='all')?jgroup:'boerger';
	jwort=jd.wort.value;
	jwort2=jwort.replace(/ä/g, ":a");
	jwort=jwort2.replace(/ö/g, ":o");
	jwort2=jwort.replace(/ü/g, ":u");
	jwort=jwort2.replace(/Ä/g, ":A");
	jwort2=jwort.replace(/Ö/g, ":O");
	jwort=jwort2.replace(/Ü/g, ":U");
	jwort2=jwort.replace(/ß/g, ":s");
	url+='_'+encodeURIComponent(jwort2)+'.html';
	self.document.location.href=url;
}
function handle_key(js_test) {
	ev=window.event||event||null;
	cc=ev.charCode||ev.keyCode||ev.which;
	//alert(cc);
	return (cc==js_test)?true:false;
}
function switch_lang(lang) {
   switch (lang) {
      default:
      case 'de':
      url='http://www.boerger.de/contero/';
      break;
      case 'uk':
      url='http://www.boerger-pumps.com/contero/';
      break;
      case 'us':
      url='http://www.boerger-pumps.com/contero/';
      break;
      case 'cn':
      url='http://www.boerger.com.cn/';
      break;
      case 'fr':
      url='http://www.borger.fr/';
      break;
      case 'nl':
      url='http://www.boerger-pumps.nl';
      break;
      case 'pl':
      url='http://www.boerger.pl/';
      break;
   }

   top.document.location.href=url;
   //document.location.href=url;
}