var counter = 1;
var scrap = counter;
document.write('<a href="http://www.dominocounter.net" target="_blank">');
for (var i = 3; i >= 1; i--) {
  var divisor = Math.pow(10, i - 1);
  var remainder = counter % divisor;
  var digit = ((scrap - remainder) / divisor);
  document.write('<img border="0" src="http://www.dominocounter.net/digitstyles/coeur_1/' + digit + '.gif" alt="' + digit + '" title="FR:1" width="40" height="39">');
  scrap = remainder;
}
document.write('</a>');