// zeigt hinweistext
function show_hint(h)
{ write_layer(hint_pre+hint[h]+hint_post) }

// versteckt hinweistext
function hide_hint()
{ write_layer("") }


var browser = navigator.appName;
var version = navigator.appVersion;

// schreibt html in layer
function write_layer(w)
{  if (document.getElementById)
      document.getElementById('lrhint').innerHTML=unescape(w);
   else if (browser == 'Microsoft Internet Explorer') {
      document.all['lrhint'].innerHTML=w;
    }else if (browser == 'Netscape') {
    if (parseInt(version) != 5)
    { document.hint.document.layers['lrhint'].document.write(w);
      document.hint.document.layers['lrhint'].document.close();
    }
   }
}