function ekzerco(nomo, sekva){
	document.write(
'<html> '
+'<head> '
  +'<meta content="text/html; charset=UTF-8" http-equiv="content-type"> '
  +'<title>Ekzerco'+nomo+'</title> '
+'</head> '
+'<body style="color: rgb(0, 0, 0); background-color: rgb(204, 255, 255);"  '
 +'onload="eku()" alink="#000099" link="#000099" vlink="#990099"> '
+'<embed src="../erare.wav" autostart="false" name="erare"  '
 +'enablejavascript="true" height="0" width="0"> '
+'<embed src="../bone.wav" autostart="false" name="bone"  '
 +'enablejavascript="true" height="0" width="0"> '
+'<embed src="../konate.wav" autostart="false" name="konate"  '
 +'enablejavascript="true" height="0" width="0"> '
+'<embed src="../tiktako.wav" autostart="false" name="tiktako"  '
 +'enablejavascript="true" loop="true" height="0" width="0"> '
+'<script type="text/javascript" src="../kurso.js"> '
  +'</script>   '
+'<script type="text/javascript" src="'+nomo+'.js"> '
  +'</script>   '
+'<script language="JavaScript"> '
+'function closeMe(){netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserWrite");window.open("","_self");window.close();}'
+'function eku(){ '
  +'demandoj(); '
	+'ek("pl"); '
	+'}  '
  +'</script> '
+'<center> '
+'<form name="sola"><textarea name="fenestro" rows="17" cols="51"  '
 +'readonly="readonly"  '
 +'style="font-size: 30px; font-family: Comic Sans MS,verdana,arial;"></textarea> '
  +'<textarea name="progreso" readonly="readonly" rows="1" cols="100" style="font-size: 12px;" >Your  '
+'progress indicator</textarea> <textarea name="eraro"  '
 +'readonly="readonly" rows="3" cols="51"  '
 +'style="font-size: 30px; font-family: Comic Sans MS,verdana,arial; background-color: rgb(255, 204, 0);"> '
 + 'La Leciono '+nomo 
+'\n ne jam estas preta.'
+'\n Provu morgaŭ denove.</textarea></form> '
+'<center><form> <LABEL>Leciono '+nomo+' </LABEL> '
  +'<input onclick="laEkzerco.montriLecionon();" onmouseover="this.value=\'Montri\'" onmouseout="this.value=\'Montri\'"'
 +'value="Montri" type="button">'
 +'<input onclick="laDemandaro.ignoriFrazon();" onmouseover="this.value=\'Ignori\'" onmouseout="this.value=\'Ignori\'"'
 +'value="ignori" type="button">'
+'<input onclick="miksiKdemandi();" onmouseover="this.value=\'Miksi\'" onmouseout="this.value=\'Miksi\'"'
 +'value="miksi" type="button">'
+'<input onclick="forgesiChion();" onmouseover="this.value=\'Forgesi ĉion\'" onmouseout="this.value=\'Forgesi\'"'
 +'value="forgesi" type="button">'
  +'<input onclick="window.open(\''+(sekva)+'.html\',\'ekzerco\');"'
 +'value="sekva leciono" type="button">'
 +'<input onclick="closeMe();" onmouseover="this.value=\'Foriri\'" onmouseout="this.value=\'Foriri\'"'
 +'value="foriri" type="button">' 
+'</form></center></body> '
+'</html> ');
document.close();
}